Like Defense Grid 2
30 games, the closest first
Mindustry
Defense Grid 2, but an automation game, and even better loved
Loved · 96%Tower Defense · Base Building
Creeper World 4
Defense Grid 2, but 3D, and physics-driven
Loved · 95%Tower Defense · Real Time Tactics
Sanctum 2
Defense Grid 2, but a first-person shooter, and half the hours
Loved · 90%Tower Defense · Aliens
Age of Darkness: Final Stand
Defense Grid 2, but dark fantasy, and more divisive
Mixed · 74%Tower Defense · RTS
Atom Zombie Smasher
Defense Grid 2, but procedurally generated, and with zombies
Loved · 90%Tower Defense · Real Time Tactics
Bloons TD Battles 2
Defense Grid 2, but free to play, and competitive
Liked · 84%Tower Defense · Real Time Tactics
Kingdom Two Crowns
Defense Grid 2, but a management game, and minimalist
Loved · 90%Tower Defense · Base Building
Stronghold Crusader: Definitive Edition
Defense Grid 2, but a city builder, and medieval
Loved · 92%Tower Defense · Real Time Tactics
Artisan TD
Defense Grid 2, but harder, and full of puzzles
Liked · 87%Tower Defense · Real Time Tactics
MarZ: Tactical Base Defense
Defense Grid 2, but gorier, and with zombies
Mixed · 78%Tower Defense · RTS
Warhammer 40,000: Dawn of War II - Anniversary Edition
Defense Grid 2, but gorier
Liked · 88%RTS · Tactical
GemCraft - Frostborn Wrath
Defense Grid 2, but hand-drawn, and top-down
Liked · 89%Tower Defense · RTS
Alien Shooter TD
Defense Grid 2, but about survival, and gorier
Liked · 85%Tower Defense · Real Time Tactics
The Riftbreaker
Defense Grid 2, but an action RPG, and about survival
Loved · 90%Tower Defense · Base Building
Battlefleet Gothic: Armada
Defense Grid 2, but gothic, and more divisive
Mixed · 69%RTS · Real Time Tactics
Add another you loved
How this list is made
Each game is measured against each of your picks the way a games-like list measures it: the Steam community tags, Steam genres and IGDB themes they share, each counting for more the fewer games carry it. A game's place is how alike it is to your picks together, as a share of each pick's best match, so one alike to two of them comes before one alike to just one. It must be close to at least one of them, as close as it would have to be on that game's own list.
None of your picks is on the list, nor a second release of one, nor a game of their own series. Up to 30 games are shown. Under each name, the kinds it shares with the pick it is closest to, and how it differs from that pick.