Challenges completed: ZERO because the game does not tell you what you need to do to accomplish them. And for all other reasons listed - 1/5 because you cannot vote a negative number.
Achievement SPLASH: Click the mermaid(?)/fish-thing on Buccaneer map. It appears under the pirate ship that is in the upper left of your screen. It jumps out of the water near the rear o the ship.
Dev to player: "Congrats on avoiding the enemy and getting behind them. Oh, didn't I tell you THEY can shoot backwards - you cannot. Thanks for playing."
Dev to player: "Oh .. I'm sorry. Were you trying to hit the guy RIGHT IN FRONT OF YOU. You missed - by a pixel. He didn't - you died. Thanks for playing."
"Oh, did you want to make that jump? Sorry... you missed it by a pixel. Here - let me revive you and drop you from the sky - directly onto a spike trap you have NO HOPE of avoiding. Have a nice day."
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GOTY if your game has trade sheep! Thanks! :)