Games like Second Dimension RetroPak Vol. 1
Games like Second Dimension RetroPak Vol. 1 include Caster, Rock 'N' Roll Defense, Plebby Quest: The Crusades, SMITE 2, and Achievement Clicker. We matched them by the tags players give Second Dimension RetroPak Vol. 1 on Steam (Action, Adventure, Strategy, Indie, and Casual): closest matches first, and among equally close ones the better-known games.

Caster
Shared: Action · Adventure · Indie

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

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

SMITE 2
Shared: Action · Strategy · Adventure

Achievement Clicker
Shared: Casual · Indie · Action

Notes of Soul
Shared: Action · Adventure · Indie

UFO 50
Shared: Action · Indie · Strategy

Pikuniku
Shared: Adventure · Indie · Casual

RADical ROACH Remastered
Shared: Action · Indie · Adventure

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

Han Xiongnu Wars
Shared: Action · Strategy · Adventure

BEEP
Shared: Adventure · Indie · Action

Lost
Shared: Casual · Indie · Adventure

Kingdom Rush - Tower Defense
Shared: Strategy · Action · Casual

[Chillas Art] Stigmatized Property
Shared: Adventure · Indie · Action

Mount & Blade II: Bannerlord
Shared: Strategy · Action · Adventure

Overdungeon
Shared: Strategy · Indie · Casual

Wobbly Life
Shared: Adventure · Action · Casual

Dead Age
Shared: Strategy · Adventure · Action

Juicy Realm
Shared: Action · Adventure · Indie

Cyberhunt
Shared: Action · Indie · Adventure

Orcs Must Die! 2
Shared: Action · Strategy · Indie

Sometimes: Success Requires Sacrifice
Shared: Action · Adventure · Indie

ShellShock Live
Shared: Strategy · Action · Casual