People talk about making games like the hard part is having the idea.
It is not.
The hard part is the last ten percent.
That is where the game is mostly real, which somehow makes everything more fragile instead of less. The core loop works. The world has a pulse. The mechanics are alive enough to be played and judged. You can finally see the thing you were trying to make. And that is exactly when the nastier questions show up.
How does it actually look in motion. What platform gets it first. What part needs one more month and what part could ship tomorrow if you stopped lying to yourself. Which menu still feels like a placeholder in good clothes. Which onboarding beat only makes sense because you already know the game too well. What belongs in the first release and what is really just your guilt wearing ambition.
That is the phase I am in now.
The funny part is that this is where game development starts resembling the old indie-film problem. Getting the thing made is one miracle. Getting it out of the house with the right shape, the right language, the right cut, and some actual chance of reaching people is another. A finished object is not the same thing as a released work. Plenty of films die in the gap. Plenty of games do too.
The last ten percent eats so much time because it is where release stops being a dream and starts becoming packaging, judgment, and consequence.
It is bug fixing, identity, packaging, platform philosophy, UI honesty, the pitch trailer, the store page, and the first fifteen seconds of play. It is the difference between what feels right to the maker and what looks right to the player. A game can be mechanically close and still visually unready. It can be emotionally correct and still unreadable on the surface. It is a different kind of work than the dreaming.
AI makes this weirder, not easier.
AI is excellent at helping a person get farther alone than they used to. That part is real. Systems, copy, code, art direction, experimentation, iteration speed. Fine. But UI for games still punishes shallow coherence. A website can survive a little decorative confusion. A game cannot. If the player cannot read state, hierarchy, affordance, consequence, and tempo fast enough, the whole thing starts feeling wrong even when the systems underneath it are solid. That makes the final polish phase strangely brutal. The game is alive. The interface is the liar.