Lovable-style builders reward clear prompts and punish vague dreams. Treat the tool like a senior UI engineer who needs acceptance criteria, not a mind reader who invents your game design.
Frame the vertical slice
Write a one-paragraph design brief before touching the generator:
- Camera perspective (top-down, side, isometric-lite).
- Win/lose in one line.
- Input scheme (touch-first vs keyboard-first).
Attach reference games as comparisons (“Downwell-style gravity” not “something cool”).
Structure prompts in layers
- Layout shell — navigation, canvas region, HUD placeholders.
- State module — score, lives, timers as plain data structures.
- Interaction pass — collisions, spawning, juice (particles later).
Ask for file names explicitly so you can navigate diffs. Reject drive-by rewrites; insist on patch-sized changes when something already works.
Playtest cadence
Every 20 minutes, play one round on phone + desktop. Input latency shows up differently. Note framerate dips before adding shaders.
Integration with hand-written code
Export or sync to your repo early. Lock dependencies and add a tiny unit test around scoring if you plan competitive leaderboards later.
Table: prompt smells vs strong prompts
| Weak | Strong |
|---|---|
| “Make it fun” | “Increase difficulty every 30s by +10% spawn rate cap 200%” |
| “Fix bugs” | “On Safari iOS, touchmove prevents scroll; lock body overflow during play” |
| “Better art” | “Replace circles with 32×32 placeholder tiles; keep hitboxes AABB” |
Pitfalls
- Over-automating juice before core loop is tight.
- Hidden magic numbers—centralize tuning in one config object.
- Skipping sound off during meetings—mute is a feature.
FAQ
Is Lovable “real” engineering? Shipping is real engineering. Generated code still needs review, perf passes, and ownership.
When do I list on Vibecode.game? When you have a stable URL, honest tool tags, and a short making-of—see vibe-coded games.
Next steps
YGG Play connects builders, tools, and players in the vibe-coded games space.
