IGG × 1ORBIT
Doomsday: Last Survivors
IGG scaled Doomsday: Last Survivors with 1Orbit’s Rewarded UA strategy, combining rapid acquisition with high-quality player retention.
135%
D30 ROAS Achieved
230K+
New Players Acquired
19%
Increase in D30 Retention
24%
Increase in IAP Revenue
About
Founded in 2006, IGG is a global mobile game developer and publisher with operations across more than ten countries. Its portfolio includes major strategy titles such as Lords Mobile and Doomsday: Last Survivors.
Doomsday combines real-time strategy, RPG progression and tower-defense mechanics and has surpassed 100 million cumulative downloads.
Challenge
As an evergreen strategy title, Doomsday operates in a competitive UA environment where acquisition costs can be high.
The challenge was to acquire a continuous stream of new players while ensuring they remained engaged long enough to participate in alliance gameplay, progression systems and LiveOps events.
Solution
1Orbit created a Rewarded Playtime acquisition strategy designed around long-term player value.
- Focused on high-intent strategy audiences.
- Introduced milestone-based reward structures.
- Optimized campaigns based on retention and monetization signals.
- Continuously monitored post-install events to optimize traffic quality.
Results
The campaign generated 230K+ incremental players while reaching 135% D30 ROAS.
The campaign also delivered a 19% improvement in D30 retention and a 24% increase in IAP revenue, demonstrating that rewarded acquisition could support both scale and long-term monetization.
