Concept brief
You play a small spirit rider drifting endlessly across a soft, painterly night sky on a paper glider. Floating lanterns pulse gently ahead of you, and a creeping fog rolls in from the edges of the screen. Tap and hold to rise, release to descend — your only tools against gravity and time.
Core loop
1
→Glide forward automatically through the open-field sky, steering vertically with tap-and-hold.
2
→Collect glowing lanterns scattered at varying heights — each one briefly pushes the fog back.
3
→Spot 'shadow lanterns' hidden among normal ones; collecting them triggers a secret shortcut or bonus wave.
4
If the fog reaches your glider fully before enough lanterns are collected, the run ends.
Gameplay
Rules
Hold to ascend, release to descend — crashing into the top or bottom edge ends the run.Each collected lantern resets a small portion of the fog timer; chain collections to survive longer.Shadow lanterns appear disguised as ordinary ones and reveal a hidden mechanic only when touched.The fog accelerates gradually the longer a run continues, creating natural endless escalation.Bonus calm zones occasionally appear — fog pauses briefly, rewarding skillful altitude control.
Balancing precise vertical movement to chain lantern pickups while reading which lanterns are secretly 'shadow' lanterns before the fog timer expires.
Why it might work
- ↑Tap-and-hold flight is immediately legible to any player, lowering the onboarding barrier completely.
- ↑The fog-as-timer mechanic creates genuine tension without visible numbers, keeping the cozy aesthetic intact.
- ↑Shadow lanterns give curious players a discovery reward loop that ads can tease without spoiling.
- ↑Endless progression with biome variety mirrors Alto's proven long-session retention pattern.
Why it might fail
- ↓Vertical-only control may feel too limited compared to richer runner inputs after extended play.
- ↓Shadow lanterns could frustrate players who feel punished for collecting the 'wrong' one if rewards are unclear.
- ↓The cozy tone may reduce perceived urgency, making the fog timer feel mismatched in feel.
- ↓Distinguishing shadow lanterns visually without being unfair is a significant design and art tuning risk.
Progression
- Unlock new glider skins that subtly change flight physics (slower descent, faster rise)
- Discover and catalogue all shadow lantern types in a cozy in-game journal
- Biome shifts every 500m — starfield, aurora, storm clouds — each with unique fog behavior
- Daily 'calm sky' challenge with a fixed seed layout and a leaderboard score
- Persistent light trail that grows longer with total lanterns collected across all runs
Progression
Prototype plan
- 1Build a single-scene prototype with tap-and-hold flight, auto-scrolling background, and 10 static lanterns to validate the feel of fog-as-timer pressure.
- 2Add shadow lantern logic — 2 disguised per wave — and test whether players notice and react positively to the reveal moment.
- 3Polish one biome with parallax layers and fog particle system; playtest a 3-minute session for pacing and tune fog acceleration curve.
Ad hooks
Show a player casually collecting lanterns, fog creeping in — then they tap a shadow lantern and the whole sky transforms unexpectedly.
Time-lapse of a run going from serene open sky to near-total fog, glider barely escaping — classic 'can you beat this?' hook.
Reveal the journal screen filling with discovered shadow lantern types, teasing completionist players.
Side-by-side of two runs: one player ignores shadow lanterns and loses, another collects one and unlocks a secret calm zone.
Why these sources
- Alto's Odyssey contributed the tap/hold flight interaction, open-field topology, endless progression structure, and the painterly cozy aesthetic that defines the visual and audio direction.
- Among Us contributed the hidden-mechanic-reveal ad hook and the timer-as-failure-condition, reframed here as a creeping environmental pressure rather than a social countdown.
