Games like Jumping Frog -A Time Traveller-
Games like Jumping Frog -A Time Traveller- include DOOM + DOOM II, Quake, Warhammer 40,000: Boltgun, Half-Life, and DUSK. We matched them by the tags players give Jumping Frog -A Time Traveller- on Steam (Action, Hidden Object, Casual, Time Travel, and 1990's): closest matches first, and among equally close ones the better-known games.

DOOM + DOOM II
Shared: Action · 1990's · Retro

Quake
Shared: Action · 1990's · Shooter

Warhammer 40,000: Boltgun
Shared: Action · Retro · Old School

Half-Life
Shared: 1990's · Action · FPS

DUSK
Shared: Retro · Shooter · Old School

Counter-Strike
Shared: Action · Shooter · 1990's

Wolfenstein 3D
Shared: Action · Retro · 1990's

DOOM 64
Shared: Action · 1990's · Retro

CULTIC
Shared: Action · Old School · Shooter

HROT
Shared: Retro · Action · Shooter

Project Warlock II
Shared: Action · Retro · Old School

Retrowave
Shared: Casual · Action · Retro

VLADiK BRUTAL
Shared: Action · Casual · Shooter

Slayers X: Terminal Aftermath: Vengance of the Slayer
Shared: 1990's · Action · Retro

Quake II
Shared: Action · 1990's · Shooter

SharpShooter3D
Shared: Action · 1990's · Shooter

The Citadel
Shared: Retro · Old School · Action

BioShock Infinite
Shared: Action · Shooter · FPS

KovaaK's
Shared: Action · Shooter · Indie

Half-Life: Opposing Force
Shared: Action · 1990's · Shooter

SUPERHOT
Shared: Action · Indie · FPS

Dead Bits
Shared: Action · Casual · Indie

Maximum Action
Shared: Action · Retro · Indie

Call of Duty®
Shared: Action · Shooter · FPS