Games like Core Defense 2099
Games like Core Defense 2099 include Bloons TD 6, Kingdom Rush Origins - Tower Defense, Plants vs. Zombies GOTY Edition, Kingdom Rush Frontiers - Tower Defense, and Kingdom Rush - Tower Defense. We matched them by the tags players give Core Defense 2099 on Steam (Casual, Strategy, Building, Tower Defense, and Hero Shooter): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Strategy · Tower Defense · Casual

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

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

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

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

Marvel Rivals
Shared: Hero Shooter · Third-Person Shooter · Casual

Kingdom Rush 5: Alliance TD
Shared: Strategy · Tower Defense · Building

Cluckmech Oasis
Shared: Strategy · Tower Defense · Building

Plants vs. Zombies: Battle for Neighborville™
Shared: Third-Person Shooter · Casual · Hero Shooter

Rogue Tower
Shared: Strategy · Casual · Tower Defense

Oriental Dynasty - Silk Road defense war
Shared: Strategy · Casual · Tower Defense

Relic Guardian - Tower Defense
Shared: Strategy · Tower Defense · Casual

Two Point Museum
Shared: Casual · Building · Strategy

Bloons TD 5
Shared: Strategy · Tower Defense · Casual

Creeper World 4
Shared: Tower Defense · Building · Strategy

Mini Motorways
Shared: Strategy · Casual · Building

Mindustry
Shared: Tower Defense · Strategy · Building

Kingdom Two Crowns
Shared: Tower Defense · Building · Strategy

Minimalist Tower Defense
Shared: Strategy · Tower Defense · Casual

Super Sanctum TD
Shared: Strategy · Tower Defense · Casual

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

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

Thronefall
Shared: Strategy · Tower Defense · Building

Cities: Skylines
Shared: Building · Strategy · Casual