Novels like Riftside

All share Dungeon Crawler, GameLit and Portal Fantasy / Isekai

Low-Fantasy Occultist Isekai
4.53
As Below, So Above (LitRPG / Isekai / Progression Fantasy) - Book 2 complete
4.44
Aeonshade
4.40
Reborn Healer (b1 stubbed)
4.39
Blackflame Mage
4.37
Fantasy Realm - Infinite Worlds Adventure -
4.30
Towerbound
4.52
Extra’s Mantle: Wait, What Do You Mean I Shouldn’t Exist?!
4.23
Class:God
4.27
The First Devil System
4.19
The Value of Zero
4.17
The First Great Game (A Litrpg/Harem Series)
3.82