Start game development
Common beginner mistakes in game development
Nine patterns that stall almost everyone starting out — what makes each one so tempting, and the specific correction.
These are patterns, not character flaws
Every mistake below is one that thoughtful, motivated people make — usually for a completely reasonable-sounding reason. That is exactly why they are worth naming. You are unlikely to avoid something you cannot recognise while you are doing it.
If you catch yourself in several of these at once, that is normal too. The most common shape of a stalled beginner is the dream game, built from tutorials, in an engine they switched to last month, with art made before the mechanics worked.
The nine
- 01
Starting with the dream game
Why it happens: The MMO, the open-world RPG, the roguelike with 40 systems. It is the reason you got interested, so it feels like the obvious first project.
The fix: Keep the dream. Build the smallest thing that contains one piece of it — one mechanic, one screen. Your dream game is your tenth project, and it will be far better for the nine before it.
- 02
The tutorial loop
Why it happens: Tutorials feel like progress and never fail, so it is comfortable to keep starting new ones. You end up with twelve half-finished tutorial projects and no ability to build anything unprompted.
The fix: After any tutorial, immediately build something similar but different without following along. Change the rules, add one feature. The struggle is the part that teaches.
- 03
Engine-hopping
Why it happens: Every engine looks better from outside, and switching feels like solving a problem when you are stuck.
The fix: Commit to one engine for three finished projects. Almost every frustration you are blaming on the engine is a gap in your understanding that will follow you to the next one.
- 04
Art before mechanics
Why it happens: Art is visible and satisfying, so it is tempting to make everything look right before it plays right.
The fix: Coloured rectangles until the game is fun. If it is not fun as rectangles, art will not save it — and you will have spent weeks on assets for a design you end up cutting.
- 05
Never finishing anything
Why it happens: The last 20% is unglamorous: menus, restart flow, edge cases, bug fixing. Starting something new is far more fun.
The fix: Treat finishing as its own skill to practise deliberately. Ship something tiny and imperfect. A finished bad game teaches more than a beautiful unfinished one.
- 06
Copying code you do not understand
Why it happens: It works, and it is fast. Then it breaks and you cannot fix it, because it was never yours.
The fix: Adapt rather than paste. Change the variable names to your own, run it, break it on purpose, fix it. If you cannot explain a line, that line is a future bug you will not be able to solve.
- 07
Optimising before there is anything to optimise
Why it happens: Performance advice is everywhere and sounds professional.
The fix: Make it work, then make it right, then — only if it is actually slow — make it fast. Beginner games are essentially never limited by the things beginners optimise.
- 08
Refusing to look things up
Why it happens: A belief that real programmers know it from memory.
The fix: They do not. Professionals look up syntax constantly. What they have is a model of what they are trying to do — the details are always searchable.
- 09
Working entirely alone
Why it happens: Showing unfinished work is uncomfortable, especially early.
The fix: Put something in front of another human at the halfway point, not the end. You will learn more from watching one person play for five minutes than from a week of guessing.
The one that matters most
If you only correct one, correct scope. Almost every other mistake on this list is survivable — you can recover from bad code, wasted art time, or a month in the wrong engine. What people rarely recover from is six months on a project too large to finish, because the conclusion they draw is not "that was too big" but "I am not good enough at this."
A useful test: can you describe your project in one sentence without the word "and"? If not, it is probably two projects. Build the more interesting half.
For a realistic sense of how long each stage genuinely takes, see how long it takes to learn game development.
More in start game development
- How to start game development with no coding experienceThe honest first month for someone who has never written a line of code — what to learn, what to ignore, and how to get something playable on screen in an afternoon.
- How to make your first gameThe realistic path: scope tiny, finish something in a weekend, and learn the game-loop mental model that everything else builds on.
- How long does it take to learn game development?Honest timelines by goal — first playable game, first finished game, first portfolio, first job — and what actually determines which end of the range you land on.
Stop reading, start building
GAMR.dev teaches this in guided steps you can actually finish — one small idea at a time, with hints and answers at every step.