Secret 1:ShotgunSword
Located at the very beginning of the game, in the small pit with a vine.
Secret 2:FireSword
To obtain this secret, you need wings, that are earned by killing one of the bosses!
The firesword its in the hellish level filled with skeletons, keep going until you see some coins that you need to double jump to get and keep going up
Secret 3: StarSword
on the level with the clouds and spikes. climb up the level to the place with mages casting spells from behind a wall go down on the leaves.
Tip: Next to each weapon there is a sign
i got the 3rd sword before i got the 2nd one