Retro Gaming News: Marios 100s Challenge

"In this hack, Mario only has 100 seconds (or less) to beat the level!

Features:

• Mario All-stars graphics(also few backgrounds for other games)
• Tons of custom music
• Bunch of custom blocks, sprites and patches
• Custom powerups(hammer, boomerang, raccoon(+cape), ice flower, tanooki suit, shell suit..)
• Death counter(you have unlimited lives)
• Auto-saving
• Overworld exanimation
• Wall-jump ability
• Fully works on real hardware
• Four worlds and ???
• 88-Exits in total(~56 actual levels)
• Its also challenging if you cant tell from the title

Update F1.1 Changes:

• Updated LX5’s powerup patch to the newest version
• Fancy drop-shadow effect added to the title-screen
• Fixes issue on two rising-lava selections"

Source