Addictive progression and achievements
Mentioned in ~1 in 5 positive reviews
“There’s always one more upgrade to buy, one more quest to finish or one more thing to unlock”
Steam review · 11.4 h played ↗
Idle Slayer
Worth buying? What 300 Steam reviews say.Worth buying? Here’s what 300 Steam reviews actually say.
Mostly Positive · 72%Mostly Positive · 72%Pablo Leban2020Idler · Incremental · Casual
Free to play
Open on Steam ↗US Steam price, checked 2 h ago
The verdict
A deep, free pixel-art idle/platformer hybrid with lots to unlock and cross-platform sync, but it demands active play and slows to a grind. Skip it if you want a truly hands-off idler.
Great for
Patient players who like daily check-ins, achievement hunting and active-idle incrementals
Main risk
It's not really idle: progress needs active play, then stalls into a long grind
What players love
Huge amount of content and depth
Mentioned in ~1 in 5 positive reviews
“how is this game free? it has so much content like a giant skill tree, tons of upgrades and somehow over 600 achievements!!!”
Steam review · 62.5 h played ↗
Good active/idle balance with minigames
Mentioned in ~1 in 8 positive reviews
“An overall good incremental idle game with a great active-idle balance, lots of nice minigames”
Steam review · 315.7 h played ↗
Cross-platform cloud sync with mobile
Mentioned in ~1 in 10 positive reviews
“Idle Slayer uses a cloud sync save system, so no matter what you're playing on, as long as you make an account you can continue your progress wherever, whenever.”
Steam review · 7.8 h played ↗
Free with fair, non-predatory monetization
Mentioned in ~1 in 12 positive reviews
“very enjoyable incremental game with zero scummy practices.”
Steam review · 181.8 h played ↗
Charming pixel art and retro music
Mentioned in ~1 in 13 positive reviews
“The pixel-art style and retro soundtrack create a cozy atmosphere”
Steam review · 12.8 h played ↗
What players complain about
Progress stalls into a slow grind
Mentioned in ~1 in 3 negative reviews
“your progress slows down dramatically. And even worse: the further you progress in this now miserable and boring grind”
Steam review · 185.2 h played ↗
Not really idle; needs constant active play
Mentioned in ~1 in 3 negative reviews
“It's a pretty good incremental but it is NOT an idle game. Offline progress overnight equates to a few minutes of active play”
Steam review · 62.9 h played ↗
Pay-to-win and monetization pressure
Mentioned in ~1 in 7 negative reviews
“This game is straight up just a monetisation engine.”
Steam review · 1.4 h played ↗
Misleading store page and frustrating bosses/minigames
Mentioned in ~1 in 9 negative reviews
“It shows in it's false ad that after just five days the gameplay gets kinda cool and more interactive, but that's a lie.”
Steam review · 7.2 h played ↗
RNG, gambling and rigged-feeling mechanics
Mentioned in ~1 in 10 negative reviews
“you spend a lot of time collecting chips through free attempts, only to lose everything very quickly once you try your luck at gambling.”
Steam review · 379.7 h played ↗
Lost saves and account/cloud issues
Mentioned in ~1 in 11 negative reviews
“I invested almost a 1000 hours into this game, thinking that steam cloud is available. Played for a year+. Changed PC, there is no cloud save unless you manually register it, 900+ save gone.”
Steam review · 928 h played ↗
System requirements
From the Steam store page
Steam Deck: Verified100 MB
Minimum
OSWindows 10 or 11
Processor2 GHz +
Memory1 GB RAM
Graphics512 MB
Storage100 MB available space
OSWindows 10 or 11
Processor2 GHz +
Memory1 GB RAM
Graphics512 MB
Storage100 MB available space
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