Games like Final Directive
Games like Final Directive include Dead Age, Caster, RADical ROACH Remastered, Rock 'N' Roll Defense, and Plebby Quest: The Crusades. We matched them by the tags players give Final Directive on Steam (Action, Indie, Adventure, Strategy, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

Dead Age
Shared: Strategy · Zombies · Adventure

Caster
Shared: Action · Indie · Adventure

RADical ROACH Remastered
Shared: Action · Indie · Adventure

Rock 'N' Roll Defense
Shared: Action · Strategy · Adventure

Plebby Quest: The Crusades
Shared: Indie · Strategy · Action

Notes of Soul
Shared: Action · Adventure · Indie

Achievement Clicker
Shared: Indie · Action · Casual

Plague Inc: Evolved
Shared: Strategy · Indie · Zombies

Deadlight
Shared: Action · Indie · Zombies

Space Pirates And Zombies 2
Shared: Action · Indie · Strategy

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

UFO 50
Shared: Indie · Action · Strategy

TouHou Makuka Sai ~ Fantastic Danmaku Festival
Shared: Indie · Action · Bullet Hell

SMITE 2
Shared: Action · Strategy · Adventure

Vampire Survivors
Shared: Bullet Hell · Indie · Action

Pikuniku
Shared: Indie · Adventure · Casual

Cyberhunt
Shared: Action · Indie · Adventure

BEEP
Shared: Indie · Adventure · Action

Dead Age 2: The Zombie Survival RPG
Shared: Adventure · Zombies · Indie

Han Xiongnu Wars
Shared: Action · Strategy · Adventure

Idle Champions of the Forgotten Realms
Shared: Strategy · Adventure · Indie

LEWDAPOCALYPSE Hentai Evil
Shared: Action · Indie · Zombies

Lost
Shared: Indie · Casual · Action

Run!ZombieFood!
Shared: Adventure · Indie · Strategy