Free Diamonds in Japan — JP Player Guide
March 16, 2026 — Methods verified for Japan players.
4 methods available in Japan: Microsoft Rewards (400–800 coins/month equiv.), Google Opinion Rewards (surveys → store credit), Official promo/redeem codes (all regions), In-game events and daily missions. Microsoft Rewards is available. Google Opinion Rewards is available.
Diamonds Methods Available in Japan
Japan is located in East Asia. Convenience stores (Lawson, 7-Eleven, FamilyMart) sell game cards. Both Rewards programs available.
| Method | Available in JP | Details |
|---|---|---|
| Microsoft Rewards | ✅ Yes | 400–800 Diamonds/month equiv. via Bing searches |
| Google Opinion Rewards | ✅ Yes | Surveys → Play Store credits → Diamonds |
| Official Codes | ✅ Yes | Works in all regions globally |
| In-game Events | ✅ Yes | Daily missions, seasonal events |
Microsoft Rewards in Japan
Microsoft Rewards is available for players in Japan. Earn points through:
- Bing searches on PC (150 points/day)
- Microsoft Edge daily bonus (15 points/day)
- Daily and weekly quests (50–500 points each)
Redeem points for Microsoft Store gift cards → buy Diamonds directly. Estimated: 400–800 Diamonds equivalent per month.
Google Opinion Rewards in Japan
Google Opinion Rewards is available in Japan. Install from the Google Play Store, answer short location and preference surveys, and earn Google Play credits. Use credits to purchase Diamonds directly from the game's in-app store.
Survey frequency varies — users in Japan who travel frequently, shop regularly, and use Google products intensively receive more surveys.
Universal Free Methods (Work in Japan)
These methods give free Diamonds to players in every country including Japan:
- Complete all daily missions — the most consistent free source every single day
- Participate in every limited-time event — major source of free Diamonds
- Redeem official codes immediately when announced — see Mobile Legends working codes
- Progress through achievements — one-time bonus Diamonds for gameplay milestones
For the complete strategy with exact monthly earnings, see our Mobile Legends free Diamonds guide.
Local Payment Options in Japan
When you do decide to purchase Diamonds, Japan players typically use:
Convenience stores (Lawson, 7-Eleven, FamilyMart) sell game cards. Both Rewards programs available.
Gift card availability: Diamonds gift cards for JPY denomination are available from major retailers in Japan and online through official platform stores (Google Play, Apple App Store, Microsoft Store).
Want current promo codes? Our Mobile Legends working codes page is updated every 12 hours automatically.