An auto-battler splits every round in two. First the planning phase: gold arrives, a shop offers units, and you buy, sell, fuse duplicates and decide which square each survivor stands on. Then combat resolves on its own against another player's board while you watch — every decision already made, including the ones whose cost you are about to learn. The genre's other name is autochess, after the custom game it started as.
Repeat until one of eight players is left. A match runs roughly twenty to thirty-five minutes and almost all of it is planning; the fighting is where you find out. That watch-it-resolve contract is inherited from tower defense, and the board underneath is turn-based tactics with the execution removed — all deployment phase, no orders.
Economy is the clock you play against. Interest rewards hoarding, win and loss streaks both pay, and buying levels — which improve the odds of expensive units appearing — competes with every unit you might have bought instead. Deliberately losing while you bank is a legitimate plan, right up until your health cannot pay for it.
Synergy is arithmetic. Trait bonuses switch on at counts, not at preferences, so a composition is a set of thresholds you are trying to hit, and hitting them means buying units you do not especially want. This is the drafting instinct shared with deckbuilders: both ask you to build a coherent engine out of whatever the random offers happen to be.
Positioning is the free variable. It costs nothing, it is decided last, and it is the only thing you can change purely on the evidence of the round you just lost. That is why it carries so much weight — economy and synergy are settled several rounds before the fight, so positioning is where you correct for the board you could actually afford.
The three fight each other on purpose. Money wants patience, synergy wants a specific unit the moment it appears, and the round timer refuses to wait for either.
Every copy of every unit is drawn from one finite pool the whole lobby shares. Buying is removing. The consequence is the most elegant thing in the genre: the player chasing your composition is starving you of it, and neither of you has said a word. Scouting other boards stops being idle curiosity and becomes information about what your own shop will offer next; committing to the strongest build in the patch is a bad idea precisely because everyone else read the same guide.
The pool travelled with the genre. Dota Auto Chess arrived as a custom game in January 2019; Teamfight Tactics and Dota Underlords both shipped that June; Hearthstone Battlegrounds followed in November, adapting a collectible card game's minions into the format and sharing the minion pool across the table. Super Auto Pets is the instructive exception — asynchronous battles against snapshots of other players' teams, no lobby, no clock, and nobody competing for what you need. Drop the scarcity and the genre becomes friendly, which is exactly what that game wanted.
The catch: you can play a round correctly and lose it anyway. The shop is random, the matchmaking is random, and the player who forced the same composition three games running will eventually hit it early and run the lobby over. Balance patches then expire the knowledge you sweated for on a schedule. The genre asks you to enjoy playing the odds rather than controlling them.
Type: Auto-battler (autochess — every decision is made before the fight, positioning included)
Core loop: Take gold and interest, buy and fuse from a shared shop, set the board, watch it resolve
Perspective: Top-down board, usually eight players each running their own
Win / lose: Last player standing; each loss costs health scaled by the enemy survivors
Session: A match in 20-35 minutes, most of it spent in the shop
Progression: Almost entirely within a match; ranked ladders and cosmetics outside it
Settle the pool question before anything else. A shared pool makes the lobby the opponent; a private one makes your own board the opponent. Unit design cannot rescue the wrong answer, because that single choice decides whether scouting the table is a skill or a waste of the round timer.