Coinz
No. X Y Where to find them
1 4 4 In plain sight on a Landing Area near where the gruntz enter the game. ("Friendly Fire" #1.)
2 4 6 In plain sight on a Landing Area near where the gruntz enter the game. ("Friendly Fire" #2.)
3 4 12 In plain sight on a Landing Area near where the gruntz enter the game. ("Friendly Fire" #3.)
4 4 18 In plain sight on a Yellow Toggle Switch surrounded by Arrowz. ("Friendly Fire" #4, #5 & #6.)
5 0 12 In plain sight on a Yellow Toggle Switch surrounded by Arrowz. ("Friendly Fire" #7 & #8.)
6 6 23 Buried in the Hole which turnz into a Mound , then into an ordinary tile .
7 10 22 Gauntletz broke a Rock near the Brick wall to reveal it.
8 8 1
Gauntletz makez his way
through Silver Pyramidz
to a Giant Volcano.

Breaking it will reveal a Coin in the middle.

9 14 0 In plain sight, east of the Giant Volcano.
10 11 6 In plain sight on a Foundation tile inside the Silver Pyramidz maze.
Gauntletz stepz on a Black One-Time Switch , and SpongeGun gatherz up the Coin.
11 15 21 In plain sight on a Landing Area ... SpongeGun getz the Coin when Gauntletz raisez a Bridge tile .
12 16 12 In plain sight in the second Arrowz maze, next to a Blue Toggle Switch .
13 20 17 In plain sight on a Landing Area ... SpongeGun getz the Coin when Gauntletz raisez a Bridge tile .
14 28 8 In plain sight on a Red Toggle Switch in the middle of the third Arrowz maze.
15 23 0 In plain sight on a Purple Multi-Grunt Switch .
16 17 5 Gauntletz broke a Rock next to his CheckPoint Switch to reveal it.
17 30 22
On a Plateau there is a Giant Volcano.

Breaking it revealed the Coin.

18 27 15 In plain sight on an island surrounded by Lava south of the King's Fortress.
19 27 1 In plain sight on the King's Fortress plateau, reached via a Blue Wormhole.
20 27 2 In plain sight on the King's Fortress plateau, reached via a Blue Wormhole.