Games like Not Tonight & Not Tonight 2
Games like Not Tonight & Not Tonight 2 include Cyber Manhunt, 鬼谷八荒 Tale of Immortal, Mount & Blade II: Bannerlord, We Who Are About To Die, and War Thunder. We matched them by genre: closest matches first, and among equally close ones the better-known games.

Cyber Manhunt
Shared: Simulation · RPG · Puzzle

鬼谷八荒 Tale of Immortal
Shared: Simulation · RPG · Action

Mount & Blade II: Bannerlord
Shared: RPG · Action · Simulation

We Who Are About To Die
Shared: Action · Simulation · RPG

War Thunder
Shared: Action · Simulation

Black Myth: Wukong
Shared: Action · RPG

Mandate Of Heaven
Shared: RPG · Simulation · Puzzle

Total War: WARHAMMER
Shared: RPG · Simulation · Action

Turnip Boy Commits Tax Evasion
Shared: Puzzle · RPG · Action

The Wind Road
Shared: RPG · Action · Puzzle

Mount & Blade: Warband
Shared: RPG · Action · Simulation

Kenshi
Shared: RPG · Simulation · Action

Summon
Shared: Simulation · Action · Puzzle

Arma 3
Shared: Action · Simulation

Monster Hunter: World
Shared: Action · RPG

The Escapists
Shared: Simulation · Action · Puzzle

Middle-earth: Shadow of War
Shared: Action · RPG

OMON Simulator
Shared: Simulation · Action · RPG

BONEWORKS
Shared: Action · Puzzle · Simulation

DRAGON BALL Z: KAKAROT
Shared: Action · RPG

Alabaster Dawn
Shared: RPG · Action · Puzzle

Warframe
Shared: Action · RPG

Fate Seeker
Shared: RPG · Action · Puzzle

Stardew Valley
Shared: RPG · Simulation