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SlipSlop: World's Hardest Platformer Game
One button platformer nightmare
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“good game”
— a player, Steam review · 5 hrs played“hard but nice”
— a player, Steam review · 3 hrs playedAchievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-25. Steam prices vary by region — always confirm your local price on Steam.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Implemented hidden achievements
There were 6 hidden achievements that were not set up completely. With this update they are completely implemented and ready to be unlocked. I hope you have fun unlocking them ːsteamhappyː
Major update
Ok, so for the past couple of months I have been working on the game trying to make more levels and stuff. In this update: 168 new levels, 208 in total. They are now grouped by difficulty in 4 groups:
Update 4
In this update: Now physics runs at 100 times per second and the smallest score increment is 0.01 seconds. (Physics used to run at 50 times per second, so the smallest score increment was 0.02s) Added
Update 3
With this update, the leaderboards are integrated right at the levels menu. Next thing to do is add more levels and figure out a better way to group them
Update 2
Two notable things in this update: There is now exit confirmation dialog, and you can press ESC in the home screen to exit the game. The home screen level (level 0) is changed a bit. In the beginning,
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Action, Free To Play, Indie, Strategy, Early Access |
| Player tags | Free to Play · Action · Strategy · Indie · Early Access · Platformer · Difficult · Singleplayer · Casual (SteamSpy community voting) |
| Features | Single-player · Partial Controller Support |
| Languages | English |
| Achievements | 32 |
| Estimated owners | 100,000 – 200,000 (SteamSpy) |
| Official site | http://slipslop.io |
Minimum system requirements (PC)
Minimum: OS *: Windows® 10 / 7 / Vista / XP Processor: Yes Memory: 1 GB RAM Graphics: Recommended Network: Broadband Internet connection Storage: 256 MB available space Sound Card: It's a plus