Games like Zoo Wars
Games like Zoo Wars include Bloons TD 6, Plants vs. Zombies GOTY Edition, Kingdom Rush - Tower Defense, ShellShock Live, and Bloons TD 5. We matched them by the tags players give Zoo Wars on Steam (Strategy, Real Time Tactics, Tower Defense, Casual, and 2D): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Strategy · Tower Defense · Casual

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

Kingdom Rush - Tower Defense
Shared: Strategy · Tower Defense · 2D

ShellShock Live
Shared: Strategy · 2D · Casual

Bloons TD 5
Shared: Strategy · Tower Defense · Casual

Plague Inc: Evolved
Shared: Strategy · Indie · Casual

Kingdom Rush Frontiers - Tower Defense
Shared: Strategy · Tower Defense · 2D

Kingdom Rush 5: Alliance TD
Shared: Strategy · Tower Defense · 2D

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

Rock 'N' Roll Defense
Shared: Strategy · Tower Defense · Casual

HoloParade
Shared: Strategy · Tower Defense · Real Time Tactics

Kingdom Rush Origins - Tower Defense
Shared: Strategy · Tower Defense · 2D

Just Another Night Shift
Shared: Strategy · Real Time Tactics · Casual

100% Orange Juice
Shared: Strategy · Cute · Casual

Pikuniku
Shared: Casual · Indie · Cute

Yokai Art: Night Parade of One Hundred Demons
Shared: Strategy · Tower Defense · Real Time Tactics

Town of Salem
Shared: Strategy · Casual · Indie

Minimalist Tower Defense
Shared: Strategy · Tower Defense · Real Time Tactics

Defend Your Life: TD
Shared: Strategy · Tower Defense · Casual

Liars Bar
Shared: Casual · PvP · Indie

Heretic's Fork
Shared: Strategy · Tower Defense · Deckbuilding

Rock of Ages
Shared: Strategy · Tower Defense · Indie

Tooth and Tail
Shared: Strategy · Casual · Indie

BidKing
Shared: Strategy · Casual · 2D