5 auto battler games on Steam with co-op or multiplayer, ranked by how many people are playing right now and how well they review. Part of Strategy.
Which of these do we both own? →
| Game | Modes | Type | Rating | Playing now | Price |
|---|---|---|---|---|---|
| Backpack Battles | PvP | Auto battler | 91% | 1,806 | $14.99 |
| Firestone – Idle Clicker Online RPG | Online multiplayer, Single-player too | Auto battler | 78% | 1,785 | Free |
| Dota Underlords | PvP, Single-player too | Auto battler | 82% | 1,008 | Free |
| Legion TD 2 - Multiplayer Tower Defense | Co-op, PvP | Auto battler | 86% | 687 | $24.99 |
| Book of Yog Idle RPG | Online multiplayer, Single-player too | Auto battler | 64% | 647 | Free |
Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; updated 2026-09-08. Powered by Steam — not affiliated with or endorsed by Valve Corporation.