Games like Formic Fortress
Games like Formic Fortress include Gang Beasts, Party Animals, Bloons TD 6, Overcooked! 2, and Tricky Towers. We matched them by the tags players give Formic Fortress on Steam (Casual, Local Co-Op, Party Game, Tower Defense, and Roguelike): closest matches first, and among equally close ones the better-known games.

Gang Beasts
Shared: Casual · Party Game · Physics

Party Animals
Shared: Casual · Party Game · Co-op

Bloons TD 6
Shared: Tower Defense · Casual · Family Friendly

Overcooked! 2
Shared: Local Co-Op · Casual · Co-op

Tricky Towers
Shared: Party Game · Casual · Physics

Bloons TD 5
Shared: Tower Defense · Casual · Family Friendly

Rubber Bandits
Shared: Party Game · Family Friendly · Casual

Human Fall Flat
Shared: Co-op · Physics · Local Co-Op

MECCHA CHAMELEON
Shared: Casual · Party Game · Funny

Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Casual · Family Friendly

Stick Fight: The Game
Shared: Action · Casual · Physics

Pikuniku
Shared: Casual · Local Co-Op · Co-op

Castle Crashers®
Shared: Local Co-Op · Co-op · 2D

PICO PARK
Shared: Local Co-Op · Casual · Co-op

Broforce
Shared: Local Co-Op · Action · Co-op

Vampire Survivors
Shared: Casual · Roguelike · Local Co-Op

Ultimate Chicken Horse
Shared: Local Co-Op · Party Game · Casual

LEGO® Star Wars™ - The Complete Saga
Shared: Local Co-Op · Family Friendly · Co-op

Pummel Party
Shared: Party Game · Casual · Local Co-Op

Garry's Mod
Shared: Casual · Physics · Funny

Golf With Your Friends
Shared: Casual · Family Friendly · Co-op

Among Us
Shared: Party Game · Casual · 2D

Draw & Guess
Shared: Casual · Party Game · Funny

Overcooked
Shared: Local Co-Op · Casual · Co-op