To maximize efficiency during the Resource Tycoon event in Doomsday: Odysseus Returns, hold your boxed inventory resources and delay major base upgrades until the event begins. The event reduces raw material spending costs for construction, technology research, and troop training while awarding milestone points for every unit of food, wood, steel, and oil spent.
How the Event Discount Works
During Resource Tycoon, the game reduces the net resources deducted from your storage when you start an upgrade, research project, or training queue. Expending materials while the discount is active generates points toward tiered milestone rewards. Because point progress is tied to consumption, spending materials during the discount cycle allows you to clear point tiers at a reduced upfront material cost compared to standard gameplay cycles.
Resource Management Rules
Proper inventory control before and during the event prevents resource loss from enemy attacks and ensures you have enough materials to reach point milestones.
- Keep resource packs in your bag: Do not open resource chests until you are ready to start an upgrade. Resources stored in your bag cannot be looted during enemy raids and do not count toward your warehouse storage limit.
- Stay under the warehouse protection cap: Keep unboxed, open resources below your shelter's warehouse capacity. Open resources that exceed this threshold can be plundered if rival players scout and attack your base.
- Gather steel and oil in advance: Food and wood accumulate quickly through standard tasks, but steel and oil are the primary bottlenecks for late-game projects. Send gathering squads to high-level steel foundries and oil rigs in alliance territory ahead of the event.
Spending Priorities
Focus your discounted resources on projects that have long baseline timers and heavy material requirements.
| Target Category | Material Consumption | Account Value |
|---|---|---|
| Headquarters | Extremely High | Raises building level caps and prerequisites for Tier 5 troops |
| Institute | High (Steel and Oil heavy) | Unlocks permanent combat and economic bonuses |
| High-Tier Barracks | Moderate | Unlocks higher troop tiers |
| Troop Training | Low per unit (High in bulk) | Expands standing army and replaces losses |
Prioritize your Headquarters and Institute over bulk troop production. Upgrading the Headquarters unlocks progression caps for all peripheral structures, while military research provides permanent combat statistics. Troop training awards event points, but bulk training consumes large amounts of food and wood for temporary numerical strength rather than permanent structural progress.
Alliance Coordination
Coordinate with your alliance before initiating large expenditures:
- Use Alliance Help queues: Start your construction and research when active alliance members are online. Each help tap removes a percentage of the remaining construction or research timer, allowing you to complete projects faster and begin subsequent builds.
- Transfer missing resources via the Trade Post: If you run short on steel or oil for a specific milestone upgrade, request resource transfers from alliance members instead of spending diamonds. Upgrade your Trade Post beforehand to reduce the transport tax on received goods.
When to Stop Spending
Unless you have hoarded months of resources to compete for top rank positions, stop spending once you claim the final guaranteed milestone reward. Guaranteed milestone chests provide fixed progression items, including speedups, hero fragments, and equipment materials. Chasing leaderboard ranks against high-spending players depletes stockpiles needed for troop healing during subsequent combat events. Save any remaining boxed resource packs for the next Resource Tycoon cycle.
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Player Comments
90 players commented on this guide.
Nice guide. I am checking the other Doomsday: Odysseus Returns articles next.
This guide answered the exact question I had.
I wish I had read this before upgrading the wrong thing.
I tried this today and it worked better than my old setup.