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Game Development

Multiplayer Idle Game

We build you a multiplayer online idle game: players have their own accounts, saves are stored on the server, and they can compete in rankings, form guilds and fight world bosses. We make the interface, characters, backgrounds, sound effects and background music, and you can adjust stats and events in the admin panel. It starts as a web version that plays by opening a link on a phone or computer; publishing on Android or iOS is an add-on. When it's finished, you receive all source code, stat settings and original art and sound files.

Reference price from US$3,165 The written quote is final
Estimated timeline 40–120 business days Counted from the date the scope is confirmed
Consultation and quote US$0 Work starts only after the scope is confirmed
Get a Quote We usually reply within one business day

Plans & Pricing

🌐 For clients outside Taiwan: we build your site in your own language at no extra cost. Additional languages are quoted separately.

← Swipe to see more plans →

Starter

US$3,165

  • Gameplay at the level of the single-player Standard plan
  • Player accounts and cloud saves
  • Offline earnings calculated by the server
  • Leaderboard
  • Balance admin, announcements, redeem codes
  • Player management: lookup, suspension
3 more — show all
  • Art: about 80 UI elements and icons, about 15 characters and monsters, 4 backgrounds
  • 30 sound effects, 2 background music tracks
  • First-year game server, SSL and daily backups

Does not include guilds, chat or top-ups

Ask about this plan
Our recommendation

Social

US$5,420

  • Everything in Starter
  • Friends and guilds
  • Chat: keyword filtering, reporting, muting
  • Arena: automatic battles against other players' lineups
  • World boss: the whole server fights together
  • Daily and weekly events, with rewards sent by in-game mail
2 more — show all
  • Art: about 25 characters and monsters, 2 character illustrations
  • 40 sound effects, 3 background music tracks

Does not include top-ups or an in-game shop

Ask about this plan

Business

US$9,615

  • Everything in Social
  • Top-ups: credit card, ATM, convenience store payment code
  • Shop: bundles, monthly cards, first top-up bonus
  • Battle pass (season quests and rewards)
  • Gacha: published odds, records kept for 180 days or more
  • Scheduled limited-time events
4 more — show all
  • Data reports: daily active users, retention, top-up amounts
  • Player support tickets, game rating label
  • Art: about 40 characters and monsters (animated), 8 character illustrations, 10 backgrounds, effects
  • 80 sound effects, 5 background music tracks, event promo images

You apply for the payment provider account; we handle the integration. Game currency cannot be exchanged back for cash

Ask about this plan

Add-on: Android Release

US$810

  • Packaged as an Android app
  • App icon, store screenshots and promo images
  • Store page text
  • Closed testing setup and review submission
  • If rejected, we fix it until it passes

You apply for the Google developer account (one-time US$25)

Ask about this plan

Add-on: iOS Release

US$1,130

  • Packaged as an iOS app
  • App icon, store screenshots and promo images
  • Store page text
  • Review submission
  • If rejected, we fix it until it passes

You apply for the Apple developer account (US$99 per year); Apple's review is stricter, so it costs more than Android

Ask about this plan

Add-on: In-App Purchases

US$585

  • Top-ups inside the app use store in-app purchases
  • Payments verified through the store's servers, sharing the same game currency account as the web version
  • Refunds are deducted back automatically

One-time per platform; the store takes a 15%–30% cut

Ask about this plan

Add-on: Character Illustration

US$260

  • One character illustration
  • Includes 1 major and 2 minor revisions
  • Original files and commercial use license

Price per illustration

Ask about this plan

Add-on: Original Music

US$390

  • One background music track, about 1–2 minutes, loopable
  • Includes 2 revisions
  • Original files and commercial use license

Price per track

Ask about this plan

Multiplayer Game Maintenance

US$260/month

  • Game server, SSL certificate and daily backups
  • Security updates for the system and packages
  • 6 hours per month: balance tweaks, launching events, updating announcements
  • We notify you when the server or top-ups have errors
  • Troubleshooting on business days

Hosting for up to 300 concurrent players is included; beyond that we assess an upgrade. New gameplay is quoted separately

Ask about this plan

Other features are open to discussion: small additions are free; for bigger ones we quote first, then build.

One-time purchase. After acceptance, all source code, the database and original art and sound files are handed over. No revenue share, no license fees. Top-ups in the web version go through ECPay or NewebPay, so you don't pay the app stores' 15%–30% cut. The payment provider's own fees (for example, about 2.75% for ECPay credit cards) still apply.

Not included

Not included in this price; quoted separately if you need it.

FAQ

What kinds of idle games can you build?

We can build all the common types, and mix them too: • Clicker idle: tap to earn a little, then earn automatically after upgrading • Tycoon: run shops, restaurants or factories and keep growing • Idle adventure: characters automatically fight monsters, collect gear and level up • Cultivation idle: realms, techniques, alchemy and tribulations • Text idle: an all-text interface, driven by events and choices • Raising games: pets, characters, farms • Gathering: mining, fishing, woodcutting • Merge idle: merge two identical items into a higher-level one • Card idle: collect characters, build teams, auto battles • Idle tower defense: towers placed automatically, waves fought automatically Not currently accepted: 3D games and action games that need real-time control.

What's the difference between single-player and multiplayer?

Single-player: each player plays alone, saves are stored on the player's phone or computer, and no game server is needed, so development and monthly costs are lower. You can charge for downloads, offer rewards for watching ads, or sell unlockable content in the app. Multiplayer: players have accounts and saves are stored on the server, so they can continue on a new phone. You can add leaderboards, guilds, chat, arenas, server-wide world bosses, plus top-ups and a shop. Values and earnings are calculated on the server, so changing the phone's clock or editing save files doesn't work. If you want to test the market first, you can start with single-player and switch to multiplayer later. The gameplay and art can be reused, and the price difference is quoted separately.

How are you different from other game development teams?

First, the market rates: on Taiwan's freelance platform Tasker in 2026, simple mini-games cost US$970–100,000, full mobile games US$3,230–500,000, and games with multiplayer, a backend and operations tools US$16,130–2000,000. Most require you to ask for a quote before you know the price. How we do it: • Prices, plan contents and the number of art and sound assets are public on this page, and quotes list every item • We make the art and sound, so you don't need to find other people • We already use ready-made parts for accounts, payments, the admin panel, reports and support tickets instead of writing them from scratch, so the price is lower than similar projects • We start with the web version, so top-ups don't pay the app stores' 15%–30% cut; publishing to the stores is an add-on • Stats and events can be adjusted in the admin panel, so you don't need an engineer every time • Earnings are calculated on the server, so changing the phone's clock or editing save files doesn't work • You buy the source code, database and original art and sound files outright, with a one-year warranty after delivery

How are the art and sound made?

We make the art and sound. The quantities for each plan are listed above, and the commercial use license is handed over to you as well. Before work starts, we make 2–3 art style samples, and full production begins only after you choose one. The interface, icons, characters, backgrounds, effects, sound effects and background music are all included in the plan. For more character illustrations or music, see the add-ons above. Market rates for reference: elsewhere, one character design costs US$165–18,000, a character CG US$0.11,000–4.80,000, one game music track US$645–60,000, and one sound effect US$10–700.

Can it be released on Android and iOS?

Yes. See the add-ons above; Android and iOS are priced separately. • You apply for the developer accounts: Apple costs US$99 per year, Google a one-time US$25 • New personal Google accounts must have 12 people test the app for 14 days in a row before it can be officially released. We'll tell you how to set this up • Selling game currency or unlockable content in the app requires the store's in-app purchases, and the store takes 15%–30%. This is the store's rule • The store version works offline and runs like a real app, not just a wrapped web page. If it's rejected, we fix it until it passes You don't have to publish to the stores either: the web version can be added to the phone's home screen and opens full-screen just the same. Top-ups go through ECPay or NewebPay, with no store commission.

How is the game balance adjusted?

Upgrade prices, output, drops and draw probabilities are all kept in the balance settings, separate from the code. For the single-player version, you get a balance table: edit it, upload it again, and the changes take effect. The multiplayer version has a balance admin panel where you edit directly on a web page, and the changes take effect the next time players enter the game. Before delivery, we use a program to simulate one player playing for 30 days in a row, to make sure every stage can be progressed through, players don't get stuck, and the game isn't finished in a day or two.

How many players can be online at once?

Multiplayer features like the arena and world bosses are built so players don't need to be online at the same time: arena battles run automatically against the other player's team, and world bosses are fought by each player separately with damage added up across the server. This way the server doesn't have to hold open connections all the time, and monthly costs are much lower. For the Operations plan, acceptance testing simulates 300 players online at once. If you need more, just upgrade the server; the code doesn't need to be rewritten.

Can I charge for it? Can game coins be exchanged for money?

With the Operations plan, players can top up to buy game coins, bundles, monthly cards and passes, and the money goes straight from the payment provider to your account. If you publish an app, in-app purchases through the app store must be used inside the app. Game coins can't be exchanged back for cash. We also don't build player-to-player trading of game coins, or any feature that turns in-game items into money. If there are lucky draws, the odds of each prize are published as required by the Mandatory and Prohibited Provisions for Standard Contracts of Online Game Services, and draw records are kept for at least 180 days.

Not sure which plan fits? Fill in the request form with your situation and budget, and we'll reply with a suggested plan, scope and price range. Consultations and quotes are free.

Get a Quote

Prices and timelines follow the written quote. The figures on this page are reference values before the scope is confirmed.

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