Here is the full list of all 32 Other World Survivors achievements.
Earn 1000 golds in total.
Kill 5000 Flying Eyes in total.
Kill 20000 Skeletons in total.
Upgrade the Thunder Scepter to Lv.10 in one game.
Upgrade the Sword to Lv.10 in one game.
Survived for 12 minutes in one game.
Upgrade Chicky higher than Lv.30 in one game.
Upgrade Elena higher than Lv.30 in one game.
Upgrade Moonlight higher than Lv.30 in one game.
Upgrade Valkyrie higher than Lv.30 in one game.
Upgrade Swordsman higher than Lv.30 in one game.
Upgrade Gambler higher than Lv.30 in one game.
Upgrade Purlando higher than Lv.30 in one game.
Upgrade King higher than Lv.30 in one game.
Upgrade Tornado's amount to 5 or more in one game.
Defeat the Dominator Of Dungeon - Mourner.
Defeat the Dominator Of Fortress - Abyssal Eye.
Defeat the Bing, in the 2nd map - Rotten Fortress.He'll appear in random.
Raise up the moving speed fast enough in one game.
Slow down the flying speed of Spear to 25% in one game.
Upgrade skills tagged as Fire 25 times in sum in one game.
Stand still for over 5 minutes in total during one game.
Upgrade Robin higher than Lv.30 in one game.
Obtain all heroes.
Defeat the map 3 Ancient Ruin(Tower Defence Mode).
Upgrade Sherry higher than Lv.30 in one game.
Survived for over 10 waves in Map 4 Sweet Home(Endless Mode).
Survived for over 15 waves in Map 4 Sweet Home(Endless Mode).
Survived for over 20 waves in Map 4 Sweet Home(Endless Mode).
Survived for over 30 waves in Map 4 Sweet Home(Endless Mode).
Trigger the resonance effect of wooden fish in one game.