红石遗迹 - Red Obsidian Remnant achievements

The clearance of the『Hard』mode will unlock the『Nightmare』mode.

Successfully passing trials of four floors under the 『Normal』 mode.

Successfully passing trials of four floors under the 『Easy』 mode.

Hire at least three adventurers in an adventure.

The first clearance of the 『Underground Prison』on the 3rd floor will unlock『The Corruption』on the 4th floor.

Kill at least three adventurers in an adventure.

The clearance of the『Nightmare』mode will unlock the『Limit』mode.

Successfully passing trials of four floors under the 『Limit』 mode.

Clearance the『Limit』 in multiplayer mode

Successful completion of six challenges in an adventure will unlock the 『Super Challenge Room』.

The clearance of『The Corruption』under『Nightmare』mode will unlock『Devil's Gift』.