http://www.kongregate.com/games/keybol/belial-chapter-1
Me likey.

No actual hack (what can we possibly hack?), but there are walkthroughs.

http://www.dopiephilippines.com/2010/04/belial-chapter-1-walkthrough.html

• Click on man several times (until conversation ends)
• Pick the cheese that's under the dumpster.
• Move two scenes to the right.
• Pick up the dollar from the stash, and the tin from the window.
• Move to the first screen, and give the pain killers to the man.
• Start a conversation with him, and then take the ID.
• Move right, and give the ID to the guard. Enter building.
• Put the cheese where the floor is patched, and replace the real dollar on the counter with your fake one. Click the bartender.
• Pick the tail, and click it to kill bartender. [1/8]
• Returning to starting place, use the tail again.
• Two scenes to the right, click on the dollar suitcase, and then use the horn. [4/8]
• Leave and re-enter the scene. Go to the revealed place.
• Right next to the vase, pick the screwdriver. On the right vase, pick the key.
• Returning to the bar, open the fridge with the key, and use the flame-horn. Click on the new-found one.
• Kill the man outside the bar with lightning-horn. [5/8]
• One screen right; use screw-driver on panel that's near the subway entry. Once unscrewed, use lightning-horn.
• Enter subway, pick up wings and the note that's on the stair's wall.
• Return to start, and use wings. [7/8]
• Rightmost screen. Click on door; password is in the note (password: proman)
• Enter room. Use: tail-lightning-fire-wings. [8/8]
• Talk to man. If the second ending, the password is 666.