Here is the full list of all 53 Spellbound Survivors achievements.
Reach Level 5
Reach Level 10
Survive 2 minutes with any character
Get a total of 4000 xp
Hold 4 weapons at once
Survive 10 minutes with any character
Survive 15 minutes with Assassin
Survive 15 minutes with Raven
Survive 20 minutes with Hunter
Reached Legend Level 1 for first time
Survive 20 minutes with Paladin
Get 5 bags of coins in a single run
Play 50 matches
Raised Predatory to level 5
Reach Level 15 in Rainfall Haven
Reach Level 30 in Uprising Terror
Reach Level 45 in Ancient Sand
Reach Level 60 in Frozen Tundra
Raised Daggers to level 5
Raised Arrow to level 5
Raised Axe to level 5
Raised Fist to level 6
Raised Shield to level 6
Raised Bleak to level 7
Raised Demise to level 7
Defeat a total of 4000 enemies
Reached a total of 1 hour played
Reached a total of 2 hours played
Reached a total of 10 hours played
Reached a total of 15 hours played
Defeat a total of 5000 enemies
Defeat a total of 10000 enemies
Defeat a total of 20000 enemies
Defeat a total of 50000 enemies
Defeat a total of 100000 enemies
Defeat a total of 200000 enemies
Defeat a total of 500000 enemies
Defeat a total of 1000000 enemies
Reached a total of 5 hours played
Reached a total of 3 hours played
Reached a total of 4 hours played
Reached a total of 6 hours played
Reached a total of 7 hours played
Reached a total of 8 hours played
Raised Vortex to level 7
Raised Frost to level 7
Raised Blade Wave to level 7
Raised Spike Ball to level 7
Raised Jutsu to level 7
Raised Sand Storm to level 7
Raised Cannon to level 7
Raised Thorn Wave to level 7
Raised Rod to level 7