Games like Ninja Kiwi Archive
Games like Ninja Kiwi Archive include Bloons TD 6, Bloons TD 5, Brawlhalla, ShellShock Live, and Orcs Must Die! 2. We matched them by the tags players give Ninja Kiwi Archive on Steam (Casual, Arcade, Strategy, Tower Defense, and Action): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Strategy · Tower Defense · Casual

Bloons TD 5
Shared: Strategy · Tower Defense · Casual

Brawlhalla
Shared: Casual · Multiplayer · Action

ShellShock Live
Shared: Strategy · Casual · Action

Orcs Must Die! 2
Shared: Tower Defense · Strategy · Action

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

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

Dungeon Defenders
Shared: Tower Defense · Strategy · Online Co-Op

Castle Crashers®
Shared: Online Co-Op · Co-op · Casual

PUBG: BATTLEGROUNDS
Shared: Multiplayer · Action · Online Co-Op

The Escapists 2
Shared: Strategy · Multiplayer · Online Co-Op

Need for Speed™ Heat
Shared: Multiplayer · Action · Singleplayer

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

BattleBlock Theater®
Shared: Co-op · Platformer · Multiplayer

Overcooked! 2
Shared: Casual · Multiplayer · Online Co-Op

Legion TD 2 - Multiplayer Tower Defense
Shared: Tower Defense · Strategy · Multiplayer

Orcs Must Die! 3
Shared: Tower Defense · Strategy · Action

PICO PARK
Shared: Casual · Online Co-Op · Multiplayer

Sanctum 2
Shared: Tower Defense · Strategy · Action

Left 4 Dead 2
Shared: Co-op · Action · Multiplayer

UNO
Shared: Casual · Multiplayer · Strategy

Need for Speed™ Unbound
Shared: Multiplayer · Action · Singleplayer

Liars Bar
Shared: Casual · Multiplayer · Online Co-Op

Broforce
Shared: Action · Co-op · Multiplayer