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Jonas M (he/him)

@jonasm1992.bsky.social
32 followers 37 following 40 posts

I make 2D games for fun. I'm currently building a 2D platformer engine.

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Jonas M (he/him) @jonasm1992.bsky.social · 08/10/2026
My WIP #platformer #game now has 25 levels. I'd really appreciate any feedback. Play it in your browser at: arcanosystems.com/games/ #gamedev #16bit #pixelart
Apple Parkour Platformer Game Screenshot
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kururu03.bsky.social @kururu03.bsky.social · 07/09/2026
A test level from my game #indiegame #gamedev #pixelart #godot
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kururu03.bsky.social @kururu03.bsky.social · 02/09/2026
short level from my game #indiegame #gamedev #pixelart #godot
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Thel - Pixel art comms open (2/5) @thelxinoe5.bsky.social · 02/09/2026
I fit a small wave sim into less than 1024 bytes for the PICO-1K jam! Have fun going splish splash! thelxinoe5.itch.io/1k-wave-sim #pico1k #picotron
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kururu03.bsky.social @kururu03.bsky.social · 01/09/2026
seventh level from my game #indiegame #gamedev #pixelart #godot
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kururu03.bsky.social @kururu03.bsky.social · 31/08/2026
wall slide level #indiegame #gamedev #pixelart #godot
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Jonas M (he/him) @jonasm1992.bsky.social · 30/08/2026
Thank you for the feedback. That helps a lot. I think I may switch to a simpler finite state machine when determining the horizontal speed of jumps based on your feedback.
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Jonas M (he/him) @jonasm1992.bsky.social · 30/08/2026
Thank you. I can't take credit for the pixel art though. The pixel art was created by a very talented artist called Phil Giarrusso.
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Jonas M (he/him) @jonasm1992.bsky.social · 29/08/2026
My WIP #platformer #game prototype is now available to play in your browser at: arcanosystems.com/games/ I'd really appreciate some feedback. It's a short game prototype; I have completed it in 79 seconds. #gamedev #screenshotsaturday #indiedev #indiegamedev #gameart #pixelart #16bit
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Jonas M (he/him) @jonasm1992.bsky.social · 29/08/2026
Test my WIP #platformer #game prototype and provide feedback. I'd really appreciate the feedback. arcanosystems.com/games/ #screenshotsaturday #gamedev #pixelart #16bit
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Jonas M (he/him) @jonasm1992.bsky.social · 29/08/2026
@kururu03.bsky.social About a month ago, I tested your game and provided some feedback. Would you test my game prototype and provide me some feedback as well? arcanosystems.com/games/
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Jonas M (he/him) @jonasm1992.bsky.social · 29/08/2026
10 levels of my WIP #platformer #game prototype. #screenshotsaturday #gamedev #16bit #pixelart #chiptune
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Jonas M (he/him) @jonasm1992.bsky.social · 28/08/2026
More level-design testing for my WIP #platformer #game. #gamedev
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Jonas M (he/him) @jonasm1992.bsky.social · 26/08/2026
Another level for my WIP #platformer #game prototype. #gamedev #pixelart #16bit
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Jonas M (he/him) @jonasm1992.bsky.social · 24/08/2026
I'm building a #game prototype using my WIP 2D #platformer game engine. #gamedev #pixelart #16bit
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Jonas M (he/him) @jonasm1992.bsky.social · 22/08/2026
Screenshot of a #platformer #game prototype built with my WIP 2D platformer game engine. #gamedev #pixelart #16bit #screenshotsaturday
a springboard jump on my WIP platformer game
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Jonas M (he/him) @jonasm1992.bsky.social · 21/08/2026
First audio test for my WIP #platformer game engine.
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Jonas M (he/him) @jonasm1992.bsky.social · 21/08/2026
You cut it before my favorite line: "Ain't no man gonna tell me I ain't a woman."
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Jonas M (he/him) @jonasm1992.bsky.social · 20/08/2026
Another level-transition test for my WIP #platformer #game engine. #gamedev #16bit #pixelart
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Jonas M (he/him) @jonasm1992.bsky.social · 19/08/2026
Thanks, but I can't take credit for the pixel art. A very talented pixel artist called Phil Giarrusso gets the credit for that.
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Jonas M (he/him) @jonasm1992.bsky.social · 17/08/2026
Testing out a curtain effect to use as a transition between rooms for my WIP #platformer #game engine. #gamedev #pixelart #16bit
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Tris - Solo Dev Working on Big Heart! @gamedevtris.bsky.social · 15/08/2026
#16 Still going strong! Got the stairs and foreground locked in as well as the following camera for Big Heart! #gamedev #indiegame #indiedev #pixelart #bigheart #screenshotsaturday
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EnricosUt @enricosut.bsky.social · 13/08/2026
Sometimes I think my collision code is total jank and spaghetti code, but like... it does work...? (most of the time) So I guess I shouldn't touch it. #gamedev #indiedev #pixelart
Jade and Kaguya standing on front of a wall. Jade is looking forwards towards the camera.
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Teeko the game @teekogame.bsky.social · 13/08/2026
parkoured so hard floating boxes appeared #indiegame #gamedev #platformer #unity
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Jonas M (he/him) @jonasm1992.bsky.social · 12/08/2026
I love the pixel art and the theme. Is the lunar / rabbit theme a reference to story of Chang'e and the Jade Rabbit from Chinese mythology?
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Jonas M (he/him) @jonasm1992.bsky.social · 12/08/2026
Coin test for my WIP #platformer #game engine. The test combines collision detection, multiple animations, and rendering layers. #gamedev #pixelart #16bit
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Jonas M (he/him) @jonasm1992.bsky.social · 12/08/2026
Animation test for my WIP 2D #platformer #game engine. Phil Giarrusso created the #pixelart. #gamedev #16bit #retrogaming
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Ben @binarymoon.bsky.social · 10/08/2026
In preparation for the js13k game jam I am making a small vector game library that I call BeepMicro. It mostly draws vector shapes from an array and takes care of timing and input. See some screenshots of test games I've made below. #gamedev #js13k #javascript
A minimal retro vector version of Breakout with a dark background and bright colours.A circular shooter game inspired by TempestA space invaders clone with rows of brightly coloured enemies towards the top, and a triangular spaceship at the bottom
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Jonas M (he/him) @jonasm1992.bsky.social · 09/08/2026
More testing of my WIP #platformer #game engine. #gamedev #16bit #retrogaming
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Jonas M (he/him) @jonasm1992.bsky.social · 09/08/2026
The parallax scrolling on the water looks great.
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PypeBros @pypebros.bsky.social · 08/08/2026
Started defining a "FIGHT" group to isolate some collisions from others. Currently, only Bilou and yellow worms have been migrated to the "fight club", meaning that bouncy branches and applemen can no longer be interacted with ... temporarily. #ScreenshotSaturday #gamedev #MadeWithMyEngine
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Jonas M (he/him) @jonasm1992.bsky.social · 08/08/2026
Springboard test for my WIP #2D #platformer #game engine. #gamedev #16bit #retrogame
platformer game engine springboard test
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Jonas M (he/him) @jonasm1992.bsky.social · 07/08/2026
The camera movement looks good. Are you are just using x and y axis follow without deadzones and using lerp for smoothing?
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Jonas M (he/him) @jonasm1992.bsky.social · 07/08/2026
A test of horizontal and vertical moving platforms for the #platformer #game engine I'm building. #gamedev #pixelart #retrogaming #16bit
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Jonas M (he/him) @jonasm1992.bsky.social · 06/08/2026
Moving-platform test for the #platformer #game engine I'm building. #gamedev #16bit #retrogaming #pixelart
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Jonas M (he/him) @jonasm1992.bsky.social · 06/08/2026
I didn't like the camera bounce / rollercoaster effect, where it shifts back upward when ground contact is made after a fall, so I figured that the offset should only be shifted downward when there is a strong signal that the player needs to see more of what's beneath them.
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Jonas M (he/him) @jonasm1992.bsky.social · 06/08/2026
It was all by feel. The 3-tile fall threshold means 3 tiles from the last ground contact, not from the current position. The y offset was kept in range [-2 tiles, 2 tiles]. I decoupled the follow lerp from the change in y offset. The y offset change rate was limited to under 4 tiles per second.
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Jonas M (he/him) @jonasm1992.bsky.social · 06/08/2026
In that test, I used an offset on the y axis that defaulted upwards but shifted down if the player fell more than 3 tiles and no deadzones. I figured this would be a good configuration for levels where the player's goal is to reach the highest point. I also used lerp with a constant of 0.125.
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Jonas M (he/him) @jonasm1992.bsky.social · 06/08/2026
Testing out camera movement for the #platformer #game engine I'm building. #16bit #gamedev #pixelart #retrogaming
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Jonas M (he/him) @jonasm1992.bsky.social · 31/07/2026
I'm building a #platformer #game engine. This is a test of wall jumps and extreme coyote time. #gamedev #16bit #pixelart #retrogame
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Jonas M (he/him) @jonasm1992.bsky.social · 31/07/2026
My feedback: I like the pixel art and mechanics, but the way the camera tracks player movement is annoying to me. It seems too jarring. Maybe you could try using camera dead zones on both x and y axis to minimize camera movement, so it only moves when necessary.
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Jonas M (he/him) @jonasm1992.bsky.social · 30/07/2026
I'm building a #platformer engine. This is a test of movement and collision detection. Shout out to Phil Giarrusso who created the pixel art.
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Jonas M (he/him) @jonasm1992.bsky.social · 29/06/2026
My WIP #pico8 game now has a game-over sequence. #8bit #gamedev
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Jonas M (he/him) @jonasm1992.bsky.social · 27/06/2026
More testing of my WIP #pico8 game called Fruit Pressure. #sega #columns #8bit #gamedev
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Jonas M (he/him) @jonasm1992.bsky.social · 24/06/2026
I finally got 2 player cooperative gameplay mode working in my WIP #pico8 game called Fruit Pressure. #gamedev #8bit #columns #sega
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Jonas M (he/him) @jonasm1992.bsky.social · 22/06/2026
My WIP #pico8 game #fruitpressure is progressing. It now has music, sfx, and an animated intro. I'm currently working on a series user-configurable gameplay settings for customizing parameters like down lock grace period. I love how the magic pineapples can trigger a chain reaction. #8bit #gamedev
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Jonas M (he/him) @jonasm1992.bsky.social · 20/06/2026
My WIP #pico8 game now has a name and an #NES style title screen. #8bit
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Jonas M (he/him) @jonasm1992.bsky.social · 18/06/2026
Testing out my WIP #Pico-8 game. It's a tribute to #Columns by #Sega. #8bit
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Jonas M (he/him) @jonasm1992.bsky.social · 27/04/2026
The Arcano 9X #chiptune #synth is a #midi #synthesizer designed to sound like the #game #console and #arcade sound chips from the early 90s. www.kickstarter.com/projects/chi...
kickstarter.com
Coming soon: Arcano 9X Chiptune Synthesizer
A synthesizer inspired by the video games of the early 90s. Classic chiptune sounds controlled via MIDI.
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CSS by T. Afif @css-only.dev · 20/04/2026
💡 CSS Tip! Add a Hand-Drawn underline to your navigation menu using a few lines of code! A cool demo powered by Anchor Positioning and border-shape 🤩 css-tip.com/hand-drawn-u... It's Chrome-only for now, but you get a straight (and boring) underline as a fallback.
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