- PC
Easy 'Weapon Unlocked: Bone Dagger!' Achievement:
If you rush the boss with the 'Dwarf Turret' without using auto-attack you will get this Achievement easily.
Easy 'Jumping Ahead of the Game' Achievement:
You can get this Achievement easily by finding a Green Crystal (you will find the first one is somewhere in the middle of level 2) and then returning to the Single-Player 'Main' menu where upgrades are done and going to the right of the portal and paying a few goal to skip a level. Take the portal to level 2.
Easy 'It Wasn't Me!' Achievement:
If you activate a 'Shrine of Sparks' near a larger group of enemies some of them will eventually jump over and you will get the 'It Wasn't Me!' Achievement.
Easy 'High Voltage Treatment' Achievement:
Find a 'Shrine of Sparks' which is located near to some water and positioned in such a way that you can easily jump into it. Then if you activate the shrine and jump into the water you will get the 'High Voltage Treatment' Achievement.
Easy 'The Cold Never Bothered Me Anyway' Achievement:
You can get this Achievement easily by getting frozen by a penguin when you reach level 9 and then pressing 'Attack' until you break free.
Weapons:
When you complete the following tasks you will unlock the corresponding weapon. Note: They may appear as weapons for new characters.
Bone Dagger:
Complete 3 levels in Pacifist mode during a single run.
Crossbow:
Purchase 5 Unlocks.
Infinity Sword:
Complete the game 3 times.
Katana:
Purchase 50 Unlocks.
Musket Gun:
Score 25,000 points in New Game Plus mode.
Pickaxe:
Purchase 20 Unlocks.
Reaver:
Kill 150 enemies on a single run.
Warhammer:
Complete the game in Normal mode.
Unlock New Game Plus:
When you complete the 10 levels of Normal mode you will unlock to New Game Plus.