Games like I Am The Registered Environmental Engineer
Games like I Am The Registered Environmental Engineer include Kingdom Rush 5: Alliance TD, Plants vs. Zombies GOTY Edition, Kingdom Rush Frontiers - Tower Defense, Bloons TD 6, and Kingdom Rush Origins - Tower Defense. We matched them by the tags players give I Am The Registered Environmental Engineer on Steam (Tower Defense, Strategy, Building, Roguelite, and 2D): closest matches first, and among equally close ones the better-known games.

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

Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · 2D

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

Bloons TD 6
Shared: Tower Defense · Strategy · Singleplayer

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

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

Prison Architect
Shared: Building · Strategy · 2D

The Last Spell
Shared: Strategy · RPG · Singleplayer

Stacklands
Shared: Roguelite · Strategy · Building

Home Behind
Shared: Strategy · RPG · Casual

Oriental Dynasty - Silk Road defense war
Shared: Tower Defense · Strategy · 2D

Mewgenics
Shared: Roguelite · Turn-Based Combat · 2D

Rogue Tower
Shared: Tower Defense · Strategy · Casual

Balatro
Shared: Strategy · Roguelite · Singleplayer

Kingdom Two Crowns
Shared: Tower Defense · Building · Strategy

The Scroll of Taiwu : Beyond The Dome
Shared: Strategy · RPG · Roguelite

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

9 Kings
Shared: Strategy · RPG · Roguelite

Mini Motorways
Shared: Strategy · Casual · Building

觅长生
Shared: Strategy · RPG · Turn-Based Combat

Game Dev Tycoon
Shared: Strategy · 2D · Casual

Heretic's Fork
Shared: Tower Defense · Strategy · 2D

Oxygen Not Included
Shared: Building · 2D · Strategy

Minimalist Tower Defense
Shared: Tower Defense · Strategy · 2D