Recently I discovered that people have actually started working on Mushroom Kingdom Fusion again, after it was in hiatus for a long time. It used to be maybe my favourite fangame ever, combining all kinds of different franchises while still keeping the Super Mario Bros 3 / Super Mario World style gameplay.
The game still isn't finished but I'm surprised they're working on it at all.
Levels included in this video:
00:00 Intro
00:17 8-F1 Midoro Palace (Secret Exit)
09:34 8-7 Snowy Tower
20:31 8-9 Icicle Mountain
25:52 8-10 Bubble Pipes (Bugged)
32:18 8-S4 King Egger's Tower (King Egger boss fight)