Games like 7 Years War
Games like 7 Years War include Escape From Duckov, SANABI, METAL GEAR & METAL GEAR 2: Solid Snake, Mina the Hollower, and Sonic Superstars. We matched them by the tags players give 7 Years War on Steam (Action-Adventure, Education, 2D Platformer, Top-Down Shooter, and 2D): closest matches first, and among equally close ones the better-known games.

Escape From Duckov
Shared: Top-Down Shooter · Action · Adventure

SANABI
Shared: 2D Platformer · Action-Adventure · 2D

METAL GEAR & METAL GEAR 2: Solid Snake
Shared: Action-Adventure · 2D Platformer · Top-Down Shooter

Mina the Hollower
Shared: Action-Adventure · 2D Platformer · Top-Down

Sonic Superstars
Shared: 2D Platformer · Action-Adventure · 2D

The Plucky Squire
Shared: Action-Adventure · 2D Platformer · 2D

Hoa
Shared: 2D Platformer · Action-Adventure · Cute

The Darkest Tales — Into the Nightmare
Shared: Action-Adventure · 2D Platformer · Free to Play

Pipistrello and the Cursed Yoyo
Shared: Action-Adventure · Top-Down · 2D Platformer

Well Dweller
Shared: Action-Adventure · Cute · 2D Platformer

Exorcist Fairy
Shared: Action-Adventure · 2D Platformer · 2D

Assassin's Creed® Origins
Shared: Action-Adventure · Action · Historical

Webbed
Shared: 2D Platformer · Cute · 2D

BlazBlue Entropy Effect
Shared: Action-Adventure · 2D · Action

Ori and the Will of the Wisps
Shared: Action-Adventure · Action · Cute

暖雪 Warm Snow
Shared: Action-Adventure · 2D · Top-Down

Tribal Hunter
Shared: Action-Adventure · 2D Platformer · Action

PRAGMATA
Shared: Cute · Action-Adventure · Action

ANTONBLAST
Shared: 2D Platformer · 2D · Action

Eternium
Shared: Action-Adventure · Free to Play · Top-Down

Assassin's Creed® Odyssey
Shared: Action-Adventure · Action · Historical

Where Winds Meet
Shared: Action-Adventure · Free to Play · Adventure

Wizard with a Gun
Shared: Action-Adventure · Action · Adventure

Trine 5: A Clockwork Conspiracy
Shared: Action-Adventure · 2D Platformer · Action