Games like Not Your Mama's Autobattler
Games like Not Your Mama's Autobattler include Backpack Battles, The Bazaar, Legion TD 2 - Multiplayer Tower Defense, 9 Kings, and Oaken Tower. We matched them by the tags players give Not Your Mama's Autobattler on Steam (Auto Battler, Card Battler, Multiplayer, Fantasy, and 2D): closest matches first, and among equally close ones the better-known games.

Backpack Battles
Shared: Auto Battler · PvP · Multiplayer

The Bazaar
Shared: Auto Battler · Card Battler · PvP

Legion TD 2 - Multiplayer Tower Defense
Shared: Auto Battler · Multiplayer · PvP

9 Kings
Shared: Auto Battler · Multiplayer · Card Battler

Oaken Tower
Shared: Auto Battler · Card Battler · 2D

Draw & Guess
Shared: Multiplayer · Casual · 2D

Liars Bar
Shared: Multiplayer · PvP · Casual

ShellShock Live
Shared: Multiplayer · 2D · Casual

Among Us
Shared: Multiplayer · 2D · PvP

ROUNDS
Shared: Multiplayer · Card Battler · PvP

Stick Fight: The Game
Shared: Multiplayer · PvP · 2D

MECCHA CHAMELEON
Shared: Multiplayer · Casual · Colorful

Terraria
Shared: Multiplayer · 2D · PvP

Auto Chess
Shared: Auto Battler · Card Battler · PvP

A Dance of Fire and Ice
Shared: 2D · Fantasy · Indie

Barotrauma
Shared: Multiplayer · 2D · Management

Teamfight Manager 2
Shared: Auto Battler · Management · Multiplayer

Brawlhalla
Shared: Multiplayer · Casual · PvP

Pikuniku
Shared: Multiplayer · Indie · Casual

Witch It
Shared: Multiplayer · Indie · Casual

He is Coming
Shared: Auto Battler · Fantasy · Multiplayer

Teamfight Manager
Shared: Auto Battler · Management · 2D

SpeedRunners
Shared: Multiplayer · Indie · 2D

Toy Smash Kaboom!
Shared: Auto Battler · Multiplayer · PvP