Games
Jumbo Mario (SMB. 40th Anniversary Demo)
preview
By: wik [W]
Jumbo Mario features oversized, cartoonish sprites,
unique power-ups, extra levels, and a nostalgic feel
inspired by the edginess of early Mario fangames.

What you'll find in this demo:
The entire World 1 (4 levels + boss)
3 extra levels with a unique style
New, hidden power-ups
Easter eggs to discover

Check readme.txt file for more infrmation.

P.S. If you find any bugs, let me know
Completion: Demo Genre: Adventure
Franchise: Mario

Update History
10/06/25  typos in the description
  
[O] Created: Sep 13 2025, 7:24 PM
[O] Updated: Never
[O] File Size: 23.26MB
[O] Views: 34445
[O] Downloads: 2503
[O] Plays: 0
[O] Favorites: 6
Download!

Reviews
Author Summary Score
cheddarchese I can't wait for the full release of the game because it look really nice. 8 / 10
GoombaChomper Jumbo Mario is a cool little project that feels more like a tech demo than a full game. Still, it's charming and has potential. 7 / 10
ByeBye Jumbo Mario has ambition and soooo much heart, but man, it's a rough time. The custom art and hidden levels show thought and effort, but the physics, sound design, and pacing drag it down so hard. It's sorta nostalgic, sure, but mostly in a "wow, I forgot fangames used to be this janky" kind of way. There's potential buried under the slipperiness and the clunk, but right now, it's a bit too much of a slow, slippery ride that only the most patient players will see through to the end. 3 / 10
sallytrees despite looking and feeling like it was slapped together in a day, this game is pretty solid. the level design is ok, the art style makes everything (including mario) look like creatures i wanna squeeze. and this game does a really good job at paying homage to early flash games. and even has a border less mode 9 / 10
Average Score 6.4 / 10

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Comments
User Icon
 GeezerInYork
Oct 15 2025, 11:59 PM
Interesting game... I might write a review later.
 
1 like from: wik
User Icon
 bandr
Oct 24 2025, 5:25 PM
Heyo! I found a bug where if you're not touching a pipe directly, you can still go into it even if you're well above it.
 
1 like from: wik
User Icon
 wik
Nov 6 2025, 6:29 PM
Quote (bandr on Oct 24 2025, 5:25 PM)
Heyo! I found a bug where if you're not touching a pipe directly, you can still go into it even if you're well above it.

Thanks! It looks like the collision mask that triggers going into a pipe is too wide.
 
No Icon
 smujohnson
Nov 13 2025, 8:13 PM
There is an unofficial tracker for this game at https://busterfield.com/jumbomario-tracker/ to preserve any early demos in case they are overwritten by accident.

Looking forward to seeing more of this promising fan game.
 
1 like from: wik
User Icon
 wik
Nov 13 2025, 8:44 PM
Quote (smujohnson on Nov 13 2025, 8:13 PM)
There is an unofficial tracker for this game at https://busterfield.com/jumbomario-tracker/ to preserve any early demos in case they are overwritten by accident.

Looking forward to seeing more of this promising fan game.


That's nice, who made this?
 
1 like from: smujohnson
No Icon
 smujohnson
Nov 13 2025, 8:55 PM
Quote (wik_25 on Nov 13 2025, 8:44 PM)
That's nice, who made this?


I did. (Check messages)
 
1 like from: wik
User Icon
 matrix
Nov 14 2025, 1:10 AM
How's this game generating sooo much hype? XD
Damn... Never expected that the fans created a separate site just for his game. Proud of u and ur game tho 🫡🫡
 
2 likes from: smujohnson, wik
No Icon
 smujohnson
Nov 14 2025, 3:19 AM
Quote (matrix on Nov 14 2025, 1:10 AM)
How's this game generating sooo much hype? XD
Damn... Never expected that the fans created a separate site just for his game. Proud of u and ur game tho 🫡🫡


Yep, now we just need a Jumbo Mario forum and podcast. 😂
 
User Icon
 matrix
Nov 17 2025, 1:00 PM
Quote (smujohnson on Nov 14 2025, 8:19 AM)
Yep, now we just need a Jumbo Mario forum and podcast. 😂

True.😉
 
2 likes from: smujohnson, wik
User Icon
 wik
Dec 1 2025, 8:38 PM
Quote (matrix on Nov 17 2025, 1:00 PM)
True.😉


hey matricks, can you put my game into mfgg hall of fame of 2025? 🥺👉👈
 
User Icon
 matrix
Dec 2 2025, 12:58 AM
Quote (wik on Dec 2 2025, 1:38 AM)
hey matricks, can you put my game into mfgg hall of fame of 2025? 🥺👉👈


Eh... That will only happen when your game is completed.
But don't worry, if it is, then it'll automatically add it to the 'Hall of Fame'. That's an issue tho...
 
1 like from: wik
User Icon
 wik
Dec 2 2025, 1:32 PM
Quote (matrix on Dec 2 2025, 12:58 AM)
Eh... That will only happen when your game is completed.
But don't worry, if it is, then it'll automatically add it to the 'Hall of Fame'. That's an issue tho...


Oh sorry, I didn't know that. I'm still a new member on MFGG.
 
1 like from: matrix
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