
Slay All Bosses: Idle, is a short incremental RPG. Cut down waves of enemies, defeat powerful bosses, and rapidly grow stronger through character skill trees, weapon and skill upgrades, and equipped passive abilities, all on your path to becoming the ultimate hero.
Modeled estimate, not a reported figure. How we estimate →
Discounts
Every price cut of more than 20% we have observed, in each market that quoted one, with this game's chart position on either side of it. These are episodes, not a model: a sale is one event, and one event cannot tell you what the next one will do.
Reviews, worldwide (the counter carries no country): 0.14/day in the week to Sep 9 → 0/day in the week after.
Reviews, worldwide (the counter carries no country): 0/day in the week to Jul 30 → 0.43/day in the week after.
For scale, across Steam · Top Sellers · Brazil over the last 30 days: the 26 chart moves that followed a price cut of more than 20% went a median of 7 places towards #1, and the 2,400 moves with no price cut behind them went 2 away. One store, one chart, one country — it is the only place we have enough observations to say even that.
Prices outside the United States have been collected since 6 August 2026 and chart positions since 19 July 2026, so a cut older than that has no market to compare and a market that joined later has no history yet. Nothing here is converted between currencies.
About
Slay All Bosses: Idle is an incremental RPG where you take a lowly level 1 hero, barely capable of handling a pack of lesser goblins, and forge them into a legendary slayer able to defeat the deadliest of foes.
Your selected hero fights automatically, attacking enemies and unleashing powerful Weapon Skills. Weapon Skills are tied to the weapon you have equipped, but after enough uses they are permanently learned, allowing you to freely swap weapons and experiment without losing progress.
After every battle, you earn currency used to advance your hero’s skill tree. Skill trees feature a variety of nodes, from raw stat boosts to gameplay-altering passive abilities that redefine how your hero plays.

Each time your hero levels up, they gain Skill Points used to unlock Weapon and Skill Upgrades.
Weapon Upgrades provide additional stat bonuses when equipped.
Skill Upgrades allow you to enhance your learned skills even further. You can add status effects, strike all enemies, and/or reduce cooldown times. Spend Skill Points to transform skills into devastating tools of destruction.
Your hero will face enemies armed with lethal skills and dangerous status effects. Equip accessories to gain passive bonuses and resistances. After enough battles, you’ll permanently learn these passives and can equip them freely, limited only by your hero’s Ability Points (AP). Mix and match learned abilities to adapt to any challenge.
Strategic auto-battles.
15 challenging boss battles.
A satisfying progression loop that seamlessly blends character, weapon, and skill upgrades.
Engagement
Reviews
Themes across 44 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
Reviews
Um joguinho simples, rápido e bom, recomendo caso queira ter uma experiencia curta mas legalzinha(zerei em 3 horas)
I think the game's fun enough for the price for me to recommend it, but it has a lot of flaws. The three characters aren't different enough from each other for it to really affect how the game plays, with the exception of the assassin. The assassin has several abilities that most of the time actually do nothing if you play the game with items on automatic or with accessories and abilities that would otherwise be good on the other two characters because they depend on being afflicted with negative status effects. So the assassin ends up either requiring micromanaging in a game that's supposedly an idle game, or is just generally worse than the other two. No matter who you play though, you'll inevitably end up buying every skill well before the end of the game and as such will no longer engage with the one element that requires any amount of thought with at least a quarter of the game left to go to finish that character's playthrough. There just flat out aren't enough skills available. The game's a good and relatively cheap way to spend an evening, but know that no matter what you're going to leave it at least a little unsatisfied.
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Genres
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English, Japanese, German, Spanish - Spain, Portuguese - Brazil, Portuguese - Portugal, Simplified Chinese, Spanish - Latin America, Korean
Hours played at review time, across 45 reviews with recorded playtime.
positive critical· bar length = how often the theme comes up
Short but fun game. I hope there is more content in the future
Parait cool, au début, mais fini par être ennuyant à la fin. Ne vaut pas sont prix.
Its fun not exactly great but fun
Um otimo jogo pra passar o tempo, gostei demais
Bottom line: it's an auto-battler where each battle only lasts 2 minutes and then it requires input from you for 2 minutes before you start the next battle. Every battle is the same but with bigger HP and damage numbers, and every "input" from you is doing the same thing - increasing your HP and damage numbers by purchasing upgrades for your stats and your weapon skills. It just isn't fun for me. There is zero engagement or gameplay here. It's not a game. It's a "number go up" simulator. PROS: [list] [*] The sprites for the characters look nice. [*] The progression is pretty well balanced. [/list] CONS: [list] [*] Bosses are immune to all status effects except poison, so any upgrades that do status effects are a waste of skill points. [*] The bonuses you get for leveling up each area are only like 2%, and you only get ten levels per area, and those bonuses only count for that specific level - and you will basically NEVER need to go back to grind old levels once you get the area to 10 you can move on with no problems. So the area level bonuses are basically worthless. They only serve to keep the perfectionists on that level until they've run it enough times to max it at level 10. [*] You don't play anything, it's not a game. [*] Each run: you spend 1 to 2 minutes reviewing your equipment and skills, and buying upgrades. Then you do a run, which only lasts around 2 minutes. Win or lose doesn't matter, you earn money and skill points either way... you just can't move to the next area until you beat the boss of the current one at least one time. After the battle, back to the upgrades screen for another minute or two of choosing new upgrades. Then another battle, again only 2 minutes. And all the battles are SUTOMATIC so you can start a fight, then walk away to go make yourself a sandwich. When you come back, the fight is done. I don't see how that is supposed to be fun? [*] Only three things matter: bigger HP, bigger physical damage, and bigger magical damage. The whole point of the "game" is to make those three numbers go up until you're strong enough to defeat the final boss. [*] EVERY run uses the same pool of normal enemies that are chosen randomly, just each area uses stronger versions with more HP and damage. The only difference between each area is the boss. And even then, they're all basically the same - just different artwork and bigger HP & damage numbers. [*] Zero replayability. I finished the assassin and don't even want to try the other characters now, I'm just done with the game. [/list]
this is not worth 5$ plain and simple.... its a 1.99 at max... after you play it once... your just expected to do it again... and again with no difference in the game play... yikes.... crap game devs
Maxed out all 3 characters and am still missing 3 achievements. :/
Cool idle game. This game shouldn't take forever to beat and that's a good thing imo :)
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Players by region
Where this game's players are, estimated from review languages.
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