The Best Incremental and Idle Games on PC and Mobile (2026)
Quick answer: Melvor Idle is our best overall pick, priced at $9.99 on Steam and free to start on iOS and Android. If you want the best free pick on a PC, grab Unnamed Space Idle on Steam for hundreds of hours of unfolding sci-fi systems. For mobile, Nine Heavens Ascent is our phone pick for anyone who refuses ads and in-app purchases, offering a completely free cultivation loop you can play with one thumb.
Our picks at a glance:
- Best overall idle game: Melvor Idle
- Best free long-haul idle: Unnamed Space Idle
- Best genre classic: Cookie Clicker
- Best pure numbers game: Antimatter Dimensions
- Best new cross-platform idle: Revolution Idle
- Best active runner idle: Idle Slayer
- Best mobile math idle: Exponential Idle
- Best big-budget mobile idle: Egg, Inc.
- Best ad-free phone idle: Nine Heavens Ascent (made by us)
Incremental games are built around watching small numbers become incomprehensibly large ones. You click to gather a resource, automate the gathering with buildings, and eventually trigger a prestige reset to earn permanent multipliers that accelerate the next run. The appeal is low-friction mastery. You can check a menu between tasks, queue up hours of offline progress, and return to an avalanche of earned currency waiting to be reinvested into automated systems.
This list is based entirely on desk research. We examined store ratings, review counts, user percentages, and pricing tiers across Steam, the iOS App Store, Google Play, and itch.io on September 22, 2026. We also tracked which games demand upfront purchases, which run on optional ads, and which rely on microtransactions. No staff members played these games for this guide.
| Game | Best for | Platforms | Steam reviews | From |
|---|---|---|---|---|
| Melvor Idle | Deep skilling you run in the background | PC, Mac, Linux, iOS, Android, browser | 90% | $9.99 |
| Unnamed Space Idle | A free sci-fi project that keeps unfolding | PC, Linux | 93% | Free |
| Cookie Clicker | The genre classic, still the best written | PC, Mac, Android, browser | 96% | $4.99 |
| Antimatter Dimensions | Prestige layers with no art to distract you | PC, Mac, iOS, Android, browser | 92% | Free |
| Revolution Idle | One save that follows you from desk to phone | PC, iOS, Android | 87% | Free |
| Idle Slayer | An idle game where your thumbs still matter | PC, iOS, Android | 85% | Free |
| Exponential Idle | Math homework you look forward to | iOS, Android | Not on Steam | Free |
| Egg, Inc. | The most played idle game on this list | iOS, Android | Not on Steam | Free |
| Nine Heavens Ascent | A free cultivation idle with nothing to sell you | iOS, Android, browser | Not on Steam | Free |
1. Melvor Idle: The richest menu-driven progression loop
- Developer: Games by Malcs (published by Jagex)
- Released: 2021
- Steam: 90% positive (16,246 reviews)
- App Store: 4.8/5 (9,105 ratings)
- Google Play: 3.7/5 (12,600 reviews)
- Price: $9.99 on Steam, free on mobile
Melvor Idle adapts the skilling mechanics of classic RuneScape into a pure management interface. Instead of controlling an avatar in a virtual world, you direct your character through clean menus covering woodcutting, mining, smithing, farming, and combat. You decide which resource to harvest, equip specialized gear, and leave the simulation to fill your bank over hours of real time. It is built specifically for people who love ticking off goals and balancing supply chains without the friction of manual grinding.
The catch sits in the monetization split across platforms. The base game costs $9.99 on Steam, where it carries a 90% positive rating across 16,246 reviews, alongside three optional expansions at $4.99 each. While the iOS version holds a 4.8-star average from 9,105 ratings, the free Android build sits at 3.7 stars across 12,600 reviews. Mobile players face in-app purchases to unlock the full experience, leading to sharply conflicting reviews between mobile storefronts.
What works
- Deep skilling and crafting systems
- Clean interfaces without forced advertisements
- Runs on Windows, Mac, and Linux
What doesn't
- Android store ratings sit notably lower
- Expansions require separate paid purchases
Video review: Is Melvor Idle Worth it? | Full Review in 3 Minutes by Also Captainblammo
2. Unnamed Space Idle: The deepest free sci-fi unfolding system
- Developer: Sylv (published by Jdog Corp)
- Released: 2023, still Early Access
- Steam: 93% positive (4,468 reviews)
- Platforms: Windows and Linux
- Price: Free with optional in-app purchases
Unnamed Space Idle sets you against unending waves of alien armadas in a long-form sci-fi campaign. The primary loop involves configuring your starship with specialized defensive arrays and offensive weapon loadouts designed to counter specific alien formations. As you push through sector waves, entirely new progression systems unlock, adding layer upon layer of incremental optimization across hundreds of hours. It fits players who enjoy discovering complex mechanics that gradually reveal themselves over weeks of play.
The project remains in Early Access on Steam, where it has maintained a Very Positive rating of 93% across 4,468 user reviews since arriving in July 2023. It offers optional in-app purchases, though the base game costs nothing upfront. Desktop access is limited to Windows and Linux, leaving Mac users without a native build. Compared to Melvor Idle, it trades broad fantasy skilling for concentrated sci-fi combat theorycrafting.
What works
- Free to play on Steam
- 93 percent positive user reviews
- New systems unfold for hundreds of hours
What doesn't
- Still marked as Early Access
- No native desktop Mac build
Video review: Free Overwhelming Incremental Space Shooter - Unnamed Space Idle by Wanderbots
3. Cookie Clicker: The foundational classic that created the genre
- Developer: Orteil and DashNet (Steam publisher Playsaurus)
- Released: 2013, on Steam in 2021
- Steam: 96% positive (93,357 reviews)
- Google Play: 4.4/5 (38,100 reviews)
- Price: $4.99 on Steam, free in a browser
Cookie Clicker established the core conventions of incremental gaming back in 2013. You click a giant cookie, purchase grandmas and automated factories, and watch production escalate until you wipe the board to ascend for heavenly chips. The Steam edition packages over 600 upgrades, more than 500 achievements, an original soundtrack by C418, and full Steam Workshop mod support. It is the obvious starting point for anyone interested in the genre's history and absurd humor.
The official game costs $4.99 on Steam, where it boasts an Overwhelmingly Positive 96% rating from 93,357 reviews, but it remains free to play in any web browser. On mobile, the official release is confined to Android, where the free ad-supported build holds 4.4 stars from 38,100 reviews alongside a $5.49 ad-free edition. There is no official iOS release at all, meaning Apple users must rely on web browsers to play.
What works
- 96 percent positive across 93,357 reviews
- Steam Workshop community mod support
- Includes soundtrack by composer C418
What doesn't
- No official iOS mobile application
- Android free version contains advertisements
Video review: Cookie Clicker Explained by Alt Shift X
4. Antimatter Dimensions: The ultimate multi-layered prestige simulation
- Developer: Hevipelle and contributors
- Released: 2022 on Steam
- Steam: 92% positive (4,607 reviews)
- App Store: 4.8/5 (131 ratings)
- Google Play: 4.8/5 (35,700 reviews)
- Price: Free everywhere
Antimatter Dimensions strips away graphical flourishes to focus entirely on escalating mathematical thresholds. The interface consists almost entirely of text and data columns where you buy dimensions that produce lower-tier dimensions, accelerating antimatter generation. Reaching Infinity triggers a prestige reset for specialized points, which eventually feeds into Eternity and Reality tiers. It is designed for purists who want deep, highly optimized prestige chains without the distraction of decorative art assets.
The game is completely free on Steam, sporting a 92% positive rating from 4,607 reviews across Windows and Mac. Android users have generated 1,000,000+ downloads with a 4.8-star rating from 35,700 reviews, featuring optional rewarded ads for a 2x production multiplier rather than forced commercial breaks. The iOS edition holds a 4.8-star rating from 131 ratings. The severe, text-heavy layout will alienate anyone looking for character animations or visual spectacle.
What works
- Free across all supported platforms
- No forced advertisements on mobile
- Cross-compatible browser and mobile saves
What doesn't
- Utilitarian interface lacks visual polish
- Small rating volume on iOS
Video review: No Graphics, but you will LOVE IT! Antimatter Dimensions by Kosh Idle
5. Revolution Idle: The cleanest modern multi-platform prestige loop
- Developers: Oni Gaming and Nu Games
- Released: May 1, 2025
- Steam: 87% positive (12,443 reviews)
- App Store: 4.8/5 (18,710 ratings)
- Google Play: 4.8/5 (43,200 reviews)
- Price: Free
Revolution Idle centers its core progression around filling colored circles and cycling through automation upgrades. Released in May 2025, it modernizes the incremental formula with responsive menus, integrated leaderboards, and an offline Time Flow system that banks missed time for later acceleration. The visual feedback makes each prestige reset feel immediate as you unlock higher multipliers and push past numeric limits. It suits anyone looking for a sleek, modern idle title with minimal initial friction.
The game is completely free across all storefronts, sharing save progress seamlessly between desktop and mobile devices. On Steam, it carries an 87% positive rating from 12,443 reviews, paired with a 4.8-star average across both the iOS App Store (18,710 ratings) and Google Play (43,200 reviews). The catch for desktop players is platform exclusivity: the Steam client is available only on Windows, leaving Mac and Linux desktops unsupported.
What works
- Full cross-platform unified cloud saves
- High ratings across both mobile storefronts
- Free to download everywhere
What doesn't
- Steam release supports Windows only
- Requires iOS 15 or newer
Video review: I took this game to INFINITY! by Real Civil Engineer
6. Idle Slayer: The best side-scrolling active runner hybrid
- Developer: Pablo Leban
- Released: 2020
- Steam: 85% positive (10,884 reviews)
- App Store: 4.8/5 (27,724 ratings)
- Google Play: 4.6/5 (133,000 reviews)
- Price: Free, ads and in-app purchases on mobile
Idle Slayer combines automated idle resource production with active side-scrolling platformer mechanics. Your pixel-art slayer runs continuously across diverse zones, slicing through monsters and gathering coins automatically while you provide manual inputs to jump for floating targets. You prestige into new dimensions, gather souls, craft equipment, and take down bosses. It is built for players who find traditional idle spreadsheets unengaging and prefer tactile control mixed into their offline progression.
Because manual jumping directly impacts coin collection and bonus pickups, progress moves slower if you treat it purely as a background task. The game is free on Steam with an 85% positive score across 10,884 reviews on Windows. On mobile, it holds 4.8 stars from 27,724 ratings on iOS and 4.6 stars from 133,000 Android reviews. However, the Android edition relies heavily on advertisements and in-app purchases to sustain its free-to-play model.
What works
- Active platforming mechanics add gameplay
- High player ratings on iOS
- Free to play on Windows
What doesn't
- Android build includes ads and purchases
- Requires manual jumps for optimal gains
7. Exponential Idle: The smartest mathematical mobile progression puzzle
- Developer: Conic Games
- Platforms: iOS and Android only
- App Store: 4.9/5 (4,123 ratings)
- Google Play: 4.7/5 (33,800 reviews)
- Price: Free, ads and in-app purchases
Exponential Idle turns mathematical formulas into an addictive progression puzzle. You tap an equation to step time forward, balancing variables and research upgrades to trigger exponential gains. The late-game systems open up custom theories, allowing players to build and run community-developed equations that function as standalone incremental minigames. It is tailor-made for players who enjoy watching abstract mathematical proofs translate directly into explosive resource growth on a smartphone screen.
The game is strictly mobile, with no PC version available on Steam. It holds a 4.9-star rating from 4,123 ratings on iOS, making it the highest-rated title on this list on the App Store, alongside a 4.7-star score from 33,800 Android reviews. The iOS release has not received an update since version 1.4.40 landed on March 10, 2025. It includes ads and in-app purchases on Android devices.
What works
- Top-rated iOS title on our list
- Custom player theories extend late game
- Free on both iOS and Android
What doesn't
- No official PC or Steam release
- iOS build not updated since 2025
8. Egg, Inc.: The most polished big-budget mobile hit
- Developer: Auxbrain
- Platforms: iOS and Android only
- App Store: 4.8/5 (561,432 ratings)
- Google Play: 4.7/5 (1,410,000 reviews)
- Downloads: 10,000,000+ on Android
- Price: Free, ads and in-app purchases
Egg, Inc. turns poultry management into a massive industrial simulator with clean 3D graphics and slick animations. You tap to hatch swarms of chickens, construct massive hen houses, purchase transport fleets, and fund scientific research to discover valuable egg variations. Cooperative multiplayer contracts let groups of players combine production totals toward shared milestones. It is the ideal pick for mobile gamers who want polished production values and structured community objectives.
Monetization and platform exclusivity define the limits here. Egg, Inc. is not available on PC, remaining exclusive to mobile devices. It is by far the most widely downloaded game on our list, boasting over 10,000,000 downloads and 1,410,000 reviews on Android alongside 561,432 ratings on iOS. However, sustained play involves maneuvering through in-app purchases and advertisements to keep research timers and farm expansion running at full capacity.
What works
- Massive cooperative multiplayer contract events
- Polished 3D visuals and presentation
- Over ten million Android downloads
What doesn't
- Exclusive to mobile operating systems
- Contains advertisements and in-app purchases
9. Nine Heavens Ascent: The cleanest ad-free Eastern fantasy clicker
Disclosure: We made Nine Heavens Ascent at Instant City Solutions, and it is the only game on this list we have a stake in.
- Developer: Instant City Solutions
- Released: 2026
- Platforms: iOS, Android, browser
- itch.io: 4.0/5 (3 ratings)
- Requires: iOS 15 or later
- Price: Free, no ads, no in-app purchases
Nine Heavens Ascent adapts Eastern cultivation tropes into an 8-bit incremental progression loop. Developed by Instant City Solutions, the company behind this site, the game starts you as a mortal collecting Qi to climb through nine cultivation realms toward True Immortal. You purchase eight passive generators, trigger lightning tribulations during stage breakthroughs, and refine techniques. Reincarnation resets your progress for Dao Insight while preserving your Spirit Stones, technique upgrades, and a thirteen-option Dao Tree containing twelve permanent nodes and a repeatable Samsara wheel.
The game is completely free with zero ads and no microtransactions. However, it is brand new. The iOS build arrived on September 22, 2026, and the Google Play release has not yet accumulated user ratings. It currently lacks a native PC or Steam client, so desktop players must use the itch.io browser release, which holds a 4.0 average from 3 ratings. Saves stored inside a desktop browser cannot be transferred to your phone.
What works
- Zero advertisements or in-app purchases
- Offline progress starting at eight hours
- Responsive portrait layout for phones
What doesn't
- Brand new with minimal storefront ratings
- Browser saves cannot transfer to mobile
Five more worth your time
Beyond our top selections, five other titles warrant attention based on verified store data. NGU IDLE brings weird humor to Windows with a 96% positive rating across 12,988 Steam reviews. Leaf Blower Revolution holds a 94% positive score from 26,477 Steam players. Kittens Game launched on Steam in February 2026 for $7.99, earning a 95% rating from 79 reviews. The Perfect Tower II pairs incremental upgrades with tower defense, earning an 87% positive rating across 4,460 Steam reviews. Finally, IdleOn offers an incremental MMO experience with a 77% positive rating from 29,865 reviews.
The gear we'd run these on
Running idle games continuously can monopolize your primary phone screen or tie up your desktop workstation. A dedicated phone cradle keeps your mobile device upright on your desk, an ergonomic wireless controller makes hybrid idlers easier on your wrists, and a portable handheld gaming PC lets you progress through Steam-only simulations from the couch. Our full breakdown is in the best handheld gaming PCs and mobile controllers of 2026.
Backbone One (2nd Gen, USB-C)
A light, pocketable cradle that turns your iPhone or Android phone into an instant handheld console. $79.99 at Best Buy.
Xbox Wireless Controller
The universal standard wireless gamepad for cloud streaming and mobile gaming on any screen. $64.99 at Amazon.
ASUS ROG Xbox Ally
An affordable entry point into portable PC gaming that plays your Windows and Game Pass libraries. $679.99 at Best Buy.
Frequently asked questions
What does prestige mean in an idle game?
Prestige is a mechanic where you voluntarily reset your current run, wiping buildings, currency, and temporary upgrades. In exchange, you earn a permanent currency or multiplier that makes subsequent runs faster, letting you push past previous progression walls.
Which of these idle games run natively on Mac?
Melvor Idle, Cookie Clicker, and Antimatter Dimensions all offer native Mac support through Steam. Kittens Game also supports Mac on Steam. Other titles on this list are restricted to Windows on desktop or remain mobile exclusives.
Can you play these incremental games without paying money?
Yes. Antimatter Dimensions, Unnamed Space Idle, and Revolution Idle are completely free on Steam. Nine Heavens Ascent is entirely free without ads or in-app purchases on mobile and itch.io. Cookie Clicker can also be played free in any web browser.
Do idle games continue to progress while closed?
Most modern idle games feature offline progress systems that calculate currency gains while the application is shut down. Some games cap offline accumulation at several hours, while others, like Revolution Idle, let you bank offline time to spend speeding up active play.
Is there an official Cookie Clicker app for iPhone?
No, there is no official iOS application for Cookie Clicker. The official DashNet release is available on PC, web browsers, and Android. Any app using the Cookie Clicker name on the Apple App Store is an unofficial clone made by another developer.
The bottom line
If you want one massive project to run in the background for months, buy Melvor Idle for $9.99 on Steam. It turns RuneScape skilling into clean menus and progress bars with zero clutter. If you want to start playing immediately on a PC without spending anything, download Unnamed Space Idle on Steam to dig into its deep web of unfolding combat systems. Finally, if you want an idle game for your phone that completely skips ads and in-app purchases, install Nine Heavens Ascent on iOS or Android.
Ratings, prices, and review counts were checked on September 22, 2026 and will drift. Store links go straight to the official listing.
This post contains affiliate links in the gear section: if you buy through them we may earn a commission at no extra cost to you. Links to Steam, itch.io, the App Store, and Google Play are not affiliate links. Nine Heavens Ascent is made by Instant City Solutions, the company behind this site.