Here is our game we worked on, its an underwater bullet hell that can be pretty unforgiving if that's your thing!

https://gobbo-studios.itch.io/below-atlantis

Hope you enjoy!

https://joaovitron.itch.io/underwater

Here's mine, it's an arcade endless runner. 
https://itch.io/jam/-pixel-game-jam-2024/rate/2721035

Here check mine! Thanks!

https://joysmashteam.itch.io/deep-dive-adventure

dont forget me lol Fishtopia by Aizeir (itch.io)

also its made in pygame only 😎

cardbased action ocean themed game hope all of you will enjoy

Try ours and let us now what you think about it !  Hope you find it challenging !
https://itch.io/jam/-pixel-game-jam-2024/rate/2709463

Hi! Here is mine https://itch.io/jam/-pixel-game-jam-2024/rate/2719991

It is a puzzle game about painting a house, i challenge you all to pass level 4 ;)

https://eduardbuturuga.itch.io/sea-of-eternal

Rogue like sea pirate experience. It's pretty hard too. Nobody managed to beat wave 30 yet

https://itch.io/jam/-pixel-game-jam-2024/rate/2721325

Here is mine: https://itch.io/jam/-pixel-game-jam-2024/rate/2718966 good game yours

I’d say mine is pretty challanging https://sandorex.itch.io/clamfall

https://itch.io/jam/-pixel-game-jam-2024/rate/2717989  <--- have fun! :b

https://itch.io/jam/-pixel-game-jam-2024/rate/2721453
I don't really know if this is challenging enough for you, but hey, give it a try :D

https://kerblerus-studio.itch.io/chinchilla-attack-again
the game is very very hard >:)

I would say (and other commenters say) that our game is pretty hard! good luck, and i will totally check out your game too!

https://jamesglaser.itch.io/something-fishy

https://itch.io/jam/-pixel-game-jam-2024/rate/2713833

Highest score ive managed to get in my own game is 1720  ;P

Rated your game 

Here's mine 

https://mfaseeh.itch.io/aqua-regia

At the start it's pretty hard until you get used to the game. Hope you will like it!
https://itch.io/jam/-pixel-game-jam-2024/rate/2718721

you'll hate me for this one, i dare you to not read the guide on the description except the Bug warning!
https://itsmedevroland.itch.io/fish-quest

https://itch.io/jam/-pixel-game-jam-2024/rate/2719306 Have fun :D

I will be checking you guys' games out! Here's ours https://itch.io/jam/-pixel-game-jam-2024/rate/2721259

It is a bit challenging until you learn the systems and then know how to absolutely break it and be OP lol (just as intended).

here is mine , but I recommend downloading the PC version, thank you for your playing and supporting

Water Cube by Funny Doge (itch.io)

My game has 10 levels and it's pretty hard. let me know if you can beat all of them!

https://itch.io/jam/-pixel-game-jam-2024/rate/2718940

https://itch.io/jam/-pixel-game-jam-2024/rate/2721280 I bet no one can reach wave 30 without cheating, good luck!! :D

https://itch.io/jam/-pixel-game-jam-2024/rate/2712991 thank

Play my game plzz: https://itch.io/jam/-pixel-game-jam-2024/rate/2720211

https://itch.io/jam/-pixel-game-jam-2024/rate/2708414

I played your game and it's pretty fun!

My game has 10 levels increasing in difficulty, let me know if you manage beat all of them:

https://itch.io/jam/-pixel-game-jam-2024/rate/2718940

Here's my game. My highscore is about 3000. You can get quite good if you get used to the mechanics. (Just a hint, if you are firing down and jump, you can do a shotgun jump to get crazy height)

https://itch.io/jam/-pixel-game-jam-2024/rate/2720934

Try getting to 50.000 BORN in my game Bit God https://non-normal.itch.io/bit-god

and heres Pointer Slide, also a game which requires quite some skills :P https://non-normal.itch.io/pointer-slide