Games like Solar Purge
Games like Solar Purge include Nine Parchments, Warframe, HELLDIVERS™ Dive Harder Edition, Relic Hunters Zero: Remix, and The Ascent. We matched them by the tags players give Solar Purge on Steam (Twin Stick Shooter, Looter Shooter, Action RPG, Local Co-Op, and Co-op Campaign): closest matches first, and among equally close ones the better-known games.

Nine Parchments
Shared: Action RPG · 4 Player Local · Local Co-Op

Warframe
Shared: Looter Shooter · Action RPG · Action

HELLDIVERS™ Dive Harder Edition
Shared: Twin Stick Shooter · Local Co-Op · Top-Down Shooter

Relic Hunters Zero: Remix
Shared: Twin Stick Shooter · Looter Shooter · Top-Down Shooter

The Ascent
Shared: Top-Down Shooter · Twin Stick Shooter · Action RPG

Relic Hunters Legend
Shared: Looter Shooter · Action RPG · Twin Stick Shooter

Last Epoch
Shared: Action RPG · RPG · Dungeon Crawler

Chronicon
Shared: Action RPG · Dungeon Crawler · Local Co-Op

Path of Exile 2
Shared: Action RPG · RPG · Dungeon Crawler

Wolcen: Lords of Mayhem
Shared: Action RPG · RPG · Indie

Grim Dawn
Shared: Action RPG · Dungeon Crawler · RPG

Borderlands 4
Shared: Looter Shooter · Action RPG · Sci-fi

Killsquad
Shared: Twin Stick Shooter · Top-Down Shooter · Action RPG

Minecraft Dungeons
Shared: Action RPG · Dungeon Crawler · Adventure

Torchlight II
Shared: Action RPG · Dungeon Crawler · RPG

Minecraft Dungeons II
Shared: Action RPG · Dungeon Crawler · Action

Warhammer 40,000: Inquisitor - Martyr
Shared: Action RPG · RPG · Action

OUTRIDERS
Shared: Looter Shooter · RPG · Action

Victor Vran ARPG
Shared: Action RPG · Local Co-Op · RPG

Overcooked
Shared: Local Co-Op · 4 Player Local · Indie

Diablo® IV
Shared: Action RPG · Dungeon Crawler · RPG

Path of Exile
Shared: Action RPG · Dungeon Crawler · RPG

Lovers in a Dangerous Spacetime
Shared: Local Co-Op · 4 Player Local · Co-op Campaign

Barony
Shared: Local Co-Op · Dungeon Crawler · Action RPG