Inverted Keep Odyssey

A 60 FPS gothic interconnected action-RPG citadel exploration game for Linux
inspired by classic 1997 dark-castle exploration adventures. Play as Vesper,
the silver-haired dhampir sword-knight, traversing interconnected upper keep
chambers and an unlocked upside-down mirrored abyssal keep tracked on a live
room mini-map.

FEATURES
- Four Morph Forms & Traversal: Shift seamlessly between Sword Knight,
Bat Wing Glide Form (soar to high rafters), Wolf Dash Form (sprint and
pounce across corridors), and Mist Phase Form (pass directly through
sealed iron grates and evade projectiles).
- RPG Stats, Weapons, Shields & Relics: Level up HP, MP, ATK, and DEF
while equipping Rune Broadsword, Crimson Claymore, Moonlight Rapier,
Iron Aegis, Mirror Ward, Twin Daggers, Storm Flask, and Relic Cross.
- Upper Keep & Upside-Down Abyssal Keep: Battle Skeleton Lancers, Stone
Gargoyles, Crimson Specters, Armored Knights, and towering Citadel Bosses
across three keep sectors and Casual, Arcade, and Turbo difficulties with
cel-shaded 2D sprites, 16-bit PCM WAV SFX, JSON scores, CSV export, and
English / Vietnamese bilingual UI.

SUPPORT & DONATE
- Open-source development support: https://buymeacoffee.com/thanhnv128b