Games like Bloons TD 5
Games like Bloons TD 5 include Bloons TD 6, Plants vs. Zombies GOTY Edition, Dungeon Defenders, Dota 2, and UNO. We matched them by the tags players give Bloons TD 5 on Steam (Tower Defense, Strategy, Family Friendly, Action, and Casual): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Tower Defense · Strategy · Co-op

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

Dungeon Defenders
Shared: Tower Defense · Strategy · Multiplayer

Dota 2
Shared: Strategy · Multiplayer · Action

UNO
Shared: Multiplayer · Family Friendly · Strategy

Overcooked! 2
Shared: Co-op · Multiplayer · Casual

Orcs Must Die! 2
Shared: Tower Defense · Co-op · Strategy

ShellShock Live
Shared: Strategy · Multiplayer · Action

Kingdom Rush - Tower Defense
Shared: Tower Defense · Strategy · Singleplayer

Gang Beasts
Shared: Co-op · Multiplayer · Action

Orcs Must Die! 3
Shared: Tower Defense · Strategy · Co-op

Among Us
Shared: Multiplayer · Online Co-Op · Co-op

Dungeon Defenders: Awakened
Shared: Tower Defense · Co-op · Strategy

Garry's Mod
Shared: Multiplayer · Casual · Sandbox

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

Golf With Your Friends
Shared: Casual · Multiplayer · Family Friendly

Don't Starve Together
Shared: Co-op · Multiplayer · Online Co-Op

Party Animals
Shared: Multiplayer · Co-op · Casual

Sanctum 2
Shared: Tower Defense · Co-op · Strategy

The Escapists 2
Shared: Strategy · Co-op · Multiplayer

Command & Conquer™ Red Alert™ 3
Shared: Strategy · Family Friendly · Action

PAYDAY 2
Shared: Co-op · Action · Multiplayer