

Slay All Bosses: Idle
Memoria Interactive · 2026 · Casual, Idler, Incremental, Resource Management, JRPG
PC
Mixed63% · 78 📈 Making a comeback 71%
Compare prices in Official Stores
Screenshots
About Slay All Bosses: Idle
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.
Satisfying Auto-Battles
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.Player Driven Character Progression
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.Weapon & Skill Upgrades
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.Additional Passive Abilities & Accessories
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.Features
- Strategic auto-battles.
- 15 challenging boss battles.
- A satisfying progression loop that seamlessly blends character, weapon, and skill upgrades.
What Steam players say
Recent verbatim reviews from Steam — separate from playze.io community reviews below.
This is a yes 'but' The game is not idle, its an auto battler, you WILL have to babysit it as you have to manually re-enter each stage, and what you can actually do is set up your skills / put points into passive tree (aim is to get as much of it as you can etc) Game was fun as Warrior and Mage, but horrible on Assassin (only doing it for last of achievements) as Assassin uses status ailments (poison etc) and pretty much all bosses are immune to most if not all Ailments so most of their kit gets reduced to auto-attacking You unlock over time x2 speed (in passive tree) and x4/x8 speed in the red coin what should of been a meta-progression system.... ..except it only applies to the current hero you are playing with When you finish the Warrior, you choose a new save for the Mage etc and all that goes away You were used to x8 speed on fights? too bad, back to x1 (and again you have to earn it for the Mage and then AGAIN for the Assassin) This lack of meta progression between the playthroughs on the battle speed is FRUSTRATING I enjoyed the game inspite of that and would hope the Dev change that 1 thing to keep the red coin unlocks between the characters2 found this helpful
It's an incremental game. Keep in mind before purchasing that there isnt much strategy except for which upgrades to get first; and you can grind to get the other options if you feel you made the wrong choice
First of all. This is a good game. Beat the game on all 3 maxed out characters and have all achievements. I would agree that the balance on this game is not perfectly ideal. On my runs, I found that the assassin is the most OP on all the characters because of the poison. I don't know what versions others played and reviewed but the bosses literally dies faster because of the assassin's poison. The grind is ok since there are fast forward functionality in the game, like those in recent remastered Final Fantasies. To summarize: Gameplay: Like any autobattler, you sit down and do management while your character is fighting. It is better to be on manual on items if you need to be efficient then on auto when you're on grinding. You manage your skills depending on the boss to be efficient so you wouldn't have to rely much on grinding. Basic rpg rock paper scissors, good sh*t. Pacing: OK! much better to be on manual input on the items on the first half then auto on second for grinding. Achievements: it takes a while because of the 10/10 on all bosses but it's not that complicated. once you beat the game and maxing out your character, like any other rpgs on trophies/achievements. there is…
A short RPG game~ Swordmaster is basically easy mode. Sorceress is normal mode with nice magic effects. Assassin is just badly designed to be not fun from beginning to the end. Nonetheless, you can 100% this game in less than a day~
Really good incremental auto battler. Lots of fun, nice builds. To me this one is more than worth the money.
Boring
Community reviews
—
0 reviews
Sign in to write a review.
No reviews yet. Be the first to review this game.











