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A highly challenging game made for platformer enthusiasts.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Official stores with direct support.
Try this game before buying.
Challenge 99 is a precision platformer where your goal is to guide a nanoball through increasingly difficult levels in an attempt to escape a simulation. I made this game to test your perseverance and to push your ability to overcome seemingly impossible obstacles.
If you can make it to the end of the game, you can definitely call yourself a master platformer.
What the game offers:
99 unique and creative level designs.
8 different abilities to master.
A practice mode that will help you prepare for the upcoming obstacles.
A race mode where you earn ranks by beating fast time goals (with a ghost feature).
Tough to earn in-game achievements.
Hidden easter eggs and secret collectibles that invite some exploration.
Music Credits:
AudioCoffee
Cyberwave-Orchestra
Evgeny_Bardyuzha
mariokhol
PaulYudin
Right now the cheapest offer for Challenge 99 is PLN 34.49 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Challenge 99 is PLN 34.49 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when Challenge 99 drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
