Profile

Jaakko Sirén

29, Vantaa, Finland

Game developer, programmer

Jaakko@siren.ax

www.siren.ax

@xxx887

Profile

Skills

Unity
9 years of active use
Unity Certified Developer 2018-2020

C#
9 years of active use

Prototyping
40+ game jams, 60+ prototypes and more

PC, Mobile, VR, 2D, 3D
Developed many sorts of games

Video & image editing
casual use

JavaScript
Basics

Unreal Engine 4
Basics

C++
Basics

3D-modelling
Basics

2D art
Basics

Level editing
15 years as hobbyist

Game design
Basics

Skills

Portfolio summary

Projects: 5+
Games which are published or have taken notably more work.

Game Jams: 40+
Games made during game jams. Time spent on these games can be anything from 0 to 72 hours.

Prototypes: 60+
Anything from a single feature test to a some what playable game. Most of the time these weren't even intended to be finished.

Tools: 20+
Programmed stuff which doesn't involve gameplay. Most of these are small things for personal use.

Detailed list at: hax.ax/projects

Game Jam playlist: hax.ax/jams

Portfolio summary

Topics of interest

In-game economy

Effects

Anti-cheat

Tools

Creative games

Prototyping

Serious games

Gamification

Topics of interest

Project examples

A Giant Problem (2020)
Smash, bash and mash your enemies with your mighty fists! Virtual reality game released on Steam.
Game page ->

Muovimiehet (2023)
Defend your positions or conquer the malleable world with your plastic army.
Assembly game dev compo entry.

Saunamajuri (2016)
Warm your sauna, collect achievements and explore! Very fun. Assembly game dev compo entry.

Wildfire Warriors (2023)
Race against time and flames in a high-octane firefighting adventure! Split-screen car action!
Comes with text based level editor (design custom size, texture & height maps).
Game page ->

Foam Raider (2015)
Fly through the cave and its' three different environments. Avoid hitting walls and obstacles while collecting more foam. Released on Android.
Archive page ->

Tuberunner (2016)
Endless runner made for Tubecon event. Take selfies with youtubers and avoid being caught by guards. Android and PC.

Project examples

Game jam examples

Höyrähtänyt Laiva (2024)
Steamboat Mickey needs to stay on the boat, but the boat wobbles with increasing violence! Only by doing certain tasks on the boat, does the boat calm down...
Game page ->

Mine Hazard Rover (2021)
Minesweeper like game where you use your radar to scan the safe areas. Made in 28 hours.
Game page ->

Krokoralli (2018)
Drive around the world with a cool croco car! Pick up friends and play with various effects. Android and PC!
Game page ->

Spiduel (2018)
Two player scorpion vs spider battle game! Made in three days for assembly game dev compo. PC and android.
Game page ->

Eventful Event (2023)
Game about bringing people to shows at an event. It's an event full of events made for nerds, geeks & gamers!
Game page ->

Civil War Postman 1918 (2018)
You are a postman during the Finnish civil war. Your job is to deliver mail and not to die. 3D survival game for PC.
Game page ->

Game jam examples

Prototype examples

Child Safety (2023)
Game made for children to teach about various dangers online, in a fun way.

Lumipallopeli (2019)
Snow war game, control your character using twitch commands.

Kaahaajat kauhunalaiset (2019)
Unfinished assembly game dev compo entry. GTA/Carmageddon style car crashing game.

Path Finding Demo (2017)
School demo to simulate different pathfinding algorithms.

Bottle Flip World (2016)
Mobile game about bottle flipping. How high score can you achieve with the various bottles?

P0ngR3kt (2016)
Classic pong taken to a whole new level. Top-down pvp action.

Prototype examples

Tool examples

Domain scanner (2021)
Goes through given list of words and scans if domain of that name is free.

Habbo 20th anniversary competition video (2020)
Video made for Habbo's competition. Unlike traditional videos, this was made on Unity as an demo like project. Everything is rendered on Unity. Converting 2D elements into 3D space.
Article page ->

Habbo Level Calculator (2021)
Tool to calculate Habbo character's level based on given achievement scores.
Website ->

Habbo Color Bot (2017)
Habbo bot to collect randomly appearing easter eggs. Detects by checking screen color. Learns to ignore color changes that are not eggs. Featuring anti-detection behaviour.

Autoclicker (2017)
Auto clicker to personal use. Various adjustable settings. Some anti-detection behaviour.

Prank Warning (2018)
Fake virus to possibly prank tech support scammers. Inspired by Kitboga.

Tool examples

Hobbies

Nature observing
Casual nature observing everywhere I go. Taking photos of any kind of species and submitting them to iNaturalist.
My observations

Duel Masters & board games
Playing and collecting Duel Masters cards.
Secretary at Duel Masters Finland ry.
Enjoying board games in general.
Personal Duel Masters IG

Collecting
Started collecting at the age of 4 or so, with bottle caps and labels. Since then collected various things:
Trading cards (Pokemon, Duel masters etc.), numismatics, philately, military, PC big boxes, DVDs and CDs, virtual items, old stuff and plenty of other themes.

Gaming
Been gaming since a little kid. Game types I prefer:
Creative (level editors, freedom etc.), in-game economy, classic first person shooters, strategy, co-op, multiplayer.

Image & GIF editing
Not that good at drawing but I do some image editing / photo manipulation. Usually as a joke.
Plenty of knowledge about GIF creating and editing. To be used on social media or as a Discord emoji etc.
Couple images on my IG

Domains and casual website stuff
.fi domain registrar since 2015.
.ax domain registrar since 2017.
Websites with Bootstrap Studio, hosting with cPanel.