Indie studio plan
Give design, UI, and QA one shared item definition. Everyone should use the same benefit, duration, Koin price, and ownership rule.
Indie Studio guide · Idle · Direct Koin item
How an Indie Studio Can Add a Koin Content Unlock to a Idle Game
Build the idle game first, then add one optional content unlock that supports the existing play loop. This guide keeps the item understandable from its first preview through delivery and reload.
Create this game flow
Plan the content unlock around the game
Why it fits idle
An idle browser prototype centered on return cadence, visible progress, and low-pressure decisions.
What the item offers
A content unlock preview with a concrete description and direct Koin price.
A practical idle example
Offer moment
Place the content unlock after this loop advances: an idle browser prototype centered on return cadence, visible progress, and low-pressure decisions. Wait for a safe pause. Player progress must not depend on the offer.
Offer card
Offer-card rules: State time effects exactly; Describe the included content. Show the item, benefit, ownership or duration, balance, and clearly stated Koin cost. Keep confirm and cancel separate.
Successful result
Test preview, confirm, insufficient balance, success, mark the purchased content as owned and open its entry point, and reload. Show that change inside normal play instead of relying only on a success message.
Free path
Test a free session around an idle browser prototype centered on return cadence, visible progress, and low-pressure decisions. If play becomes incomplete, fix the game before changing the offer.
Design the content unlock in detail
Respect the return moment
Let players collect and understand offline progress before showing an item. Opening the game to an immediate modal can hide what happened during the absence and turn a routine check-in into pressure.
State time effects exactly
For a boost, show its duration, activation time, multiplier, and whether it continues while the game is closed. Permanent capacity changes should display the old and new limit side by side.
Test several return windows
Reload immediately, return after a short gap, and simulate a longer absence. The item, remaining duration, accumulated resources, and Koin balance should reconcile without duplicate grants or lost progress.
Observe several return windows instead of one click
This idle game uses an idle browser prototype centered on return cadence, visible progress, and low-pressure decisions. Review the genre through respect the return moment and state time effects exactly. For a indie studio, the content unlock should support that loop without becoming mandatory. Review the item through describe the included content and open a visible entry point. An indie studio can divide timing, interface, implementation, and failure testing among named owners. The example offer is: A content unlock preview with a concrete description and direct Koin price. This offer emphasizes a durable, understandable extension to the core experience before expanding the catalog. Collect a known amount of offline progress before any offer appears and record generators, capacities, timers, and saved resources. Decline the item, close briefly, and confirm that ordinary accumulation continues. Try insufficient Koin without resetting the return summary. Complete a valid boost or capacity choice and state its activation time, duration, multiplier, and offline behavior. Reopen immediately, after a short simulated gap, and after a longer interval; calculate what should remain each time. Verify one deduction, one ownership or quantity state, and no duplicated offline reward. The free cadence should still feel deliberate rather than slowed to make the purchased relief seem necessary.
Give each discipline one decision
Design owns the offer timing and free path, UI owns readable states, engineering owns state transitions, and QA owns failure coverage. Agree on the same item definition before anyone creates implementation tickets.
Review the playable flow together
Use the prototype in a short team session and walk through decline, insufficient Koin, pending, success, delivery, and reopening. Resolve player-facing disagreement in the build instead of leaving it inside separate documents.
Turn states into production tasks
After the journey is approved, split identity, durable ownership, native billing, security, refunds, policy, localization, accessibility, and analytics into explicit work. The prototype should not be treated as proof that those systems exist.
Keep QA independent of the happy path
Have a tester interrupt confirmation, repeat an input, change screens during delivery, and reload at several points. Compare the result with the agreed item promise and reject duplicate grants or unexplained Koin changes.
Turn the review into an owned team decision
Schedule a short session with design, UI, engineering, and QA using the same playable link and item definition. Assign one person to operate while the others record disagreements about timing, wording, delivery, fairness, and recovery. End with an explicit decision for each disputed state and name the owner of every native implementation task. Update the prototype or source brief before tickets spread outdated assumptions. QA should then write independent scenarios from the agreed player promise, including interruption and duplicate input. This creates a shared reference without mistaking the browser build for a backend, billing integration, revenue forecast, or release approval.
Trace the promised content boundary
Name the exact level, chapter, quest, character, route, or mode, describe its approximate scope, and identify the visible entry point that will open after confirmation. Complete the advertised core path without it and verify that essential clues, main-story resolution, required accessibility options, and ordinary progression remain intact. Buy the unlock, start it from the map or menu, leave midway, and find it again after reopening. Confirm that ownership replaces the locked treatment and does not require another Koin deduction. Review age context, rights, moderation, localization, save compatibility, and whether the public description overstates length or replay value. Bonus content may extend a complete game; it should not reveal that the promised game was unexpectedly incomplete.
Describe the included content
Name the level, chapter, quest, character, or mode and explain its approximate scope. Players should understand what opens before they confirm.
Open a visible entry point
When the purchase succeeds, replace the locked state with an owned state and a clear way to start the content. Preserve that entry point after reload.
Keep the promised game complete
A bonus path can extend the experience, but the core ending and advertised main game should not disappear behind an unexpected purchase.
Build it in five steps
1. Finish the idle loop
Make the main activity playable before adding the content unlock. Players need context to judge whether the item is useful.
Result: A working idle foundation
2. Write one item definition
A content unlock preview with a concrete description and direct Koin price. Keep the same wording in the preview, confirmation, and delivered state.
Result: A consistent player promise
3. Generate the purchase choice
Show the exact Koin amount, Koin balance now, confirm, cancel, and what ownership means. Design chooses the offer moment, UI makes every state distinct, and QA tests transitions and recovery. Use the playable prototype during the team review.
Result: An understandable decision
4. Deliver and recover
Test preview, confirm, insufficient balance, success, mark the purchased content as owned and open its entry point, and reload. Then test a Koin shortage, a cancelled choice, repeated input, interruption, and reload.
Result: A visible, stable result
5. Test as a indie studio
Write test cases for too little Koin, cancellation, delayed delivery, repeated input, and reload. Create production tickets only after the player journey is agreed.
Result: Indie studio plan
Generate it in SEELE
Prompt 1
Create a browser-playable idle game prototype for a small indie studio. Build the core loop around return cadence, visible progress, and low-pressure decisions. Add one optional content unlock offer containing a bonus chapter card with scope, Koin price, ownership state, and launch action. Price it directly in Koin, require an explicit confirmation, show the balance effect, and mark the purchased content as owned and open its entry point. Do not add subscriptions, external payment checkout, revenue reporting, or guaranteed earnings. Include insufficient-Koin, cancel, success, and reload states.
Prompt 2
Keep the item optional. Show its specific Koin amount, current Koin balance, confirm, cancel, low-balance, success, visible delivery, and reload states.
Indie Studio playtest checklist
- The content unlock supports the existing idle loop.
- The item benefit and ownership rule are clear before choosing confirm.
- The clearly stated Koin cost and balance before spending appear together.
- Cancellation returns to play without loss or pressure.
- Success visibly delivers the confirmed content unlock.
- Write test cases for too little Koin, cancellation, delayed delivery, repeated input, and reload. Create production tickets only after the player journey is agreed.
Before you publish
- Avoid this design problem: hiding the promised core ending behind an unexpected purchase.
- This guide uses a direct Koin transaction for one optional game item. It does not create a subscription or recurring charge.
- The result is a playable web prototype. Native billing, identity, durable entitlements, security, refunds, and store approval need separate implementation.
- SEELE does not provide payment analytics, tax tools, payout reports, or guaranteed revenue through this flow.
Frequently asked questions
What should this idle offer contain?
A content unlock preview with a concrete description and direct Koin price. Start with one item and one price.
Is this a subscription?
No. The player spends Koin directly on one named item or unlock.
What happens if the player cancels?
Return to the same game state without spending Koin or delivering the item.
What if the Koin balance is too low?
Explain the shortage, preserve progress, and do not deliver the item.
Does this include payment or revenue reports?
No. It covers the player-facing purchase experience, not financial reporting.
Is the prototype ready for a native store?
No. The browser prototype still needs native billing, persistence, security, refunds, and platform approval.
Build this idle purchase flow
Open the complete prompt in SEELE, adjust the item and Koin price, then generate a playable version you can test.
Open this prompt in Workspace