The Whiteout Survival event calendar in 2026 runs on two clocks. Weekly events such as Bear Trap, Alliance Championship and Fortress Battles return on set days, while State vs State and King of Icefield alternate on a 4-week cycle. Reading both clocks shows what repeats, what alternates, and why another state’s Event Center may display a different lineup.
Bear Trap runs about every 47 hours, Alliance Championship weekly and Fortress Battles every Friday. Foundry Battle and Frostfire Mine alternate every 2 weeks. SvS and King of Icefield each return every 4 weeks, 2 weeks apart. Century Games publishes no global calendar, so your Event Center shows your state’s exact dates.
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How Does the Whiteout Survival Event Schedule Work?
Three rules explain most of the calendar.
- Fixed weekly events return on the same weekday every week. Alliance Championship runs weekly, and Fortress Battles take place every Friday.
- Rotating and cross-state events follow loops lasting 2 to 4 weeks. This group includes State vs State, King of Icefield, Canyon Clash, Alliance Showdown, and Alliance Mobilization.
- State age determines which rotation appears. Young states run Hall of Chiefs in place of King of Icefield until they enter the State vs State cycle.
Start with your state’s age, identify the current rotation, and then place the fixed weekly events around it.
Which Events Run Every Week?
The weekly spine combines one recurring alliance summon, two fixed tournaments, and a pair of events that alternate across a 2-week cycle.
| Event | Cadence | What it is |
|---|---|---|
| Bear Trap | About every 47 hours | An alliance leader summons a PvE damage race against the Raging Bear. No troops are lost. |
| Alliance Championship | Weekly | An automated tournament where six alliances compete across three lanes, climbing leagues from Iron to Ultimate. |
| Fortress Battles | Every Friday, in seasons of about 8 weeks | Alliance-based PvP for territory control. |
| Frostfire Mine | Every other week in the 2-week rotation, 30 minutes | A solo PvP mining event. Every other player is an opponent, alliance members included. |
| Foundry Battle | Opposite Frostfire Mine in the 2-week rotation, 60 minutes | Alliance PvP for control of buildings. Troops are not lost for good. |
Frostfire Mine and Foundry Battle form one alternating pair. When one occupies the current week, the other occupies the opposite week of the cycle.
When Do State vs State and King of Icefield Run?
State vs State, usually shortened to SvS, returns every 4 weeks and lasts about 10 days. Its preparation phase comes before the fighting, giving the main cross-state cycle a resource-building period followed by combat. One tracker counts 14 days once matchmaking and the recovery days are included.
King of Icefield, or KOI, also returns every 4 weeks. It starts 2 weeks after SvS and runs for 7 days, with Chiefs from six states in one ranking. Trackers list its start as Monday at 00:00 UTC. Together, SvS and KOI alternate, with each taking one half of the 4-week cycle.
To find the next SvS, count 4 weeks from the start of your state’s last one, or 2 weeks from the start of the last KOI. Our Whiteout Survival SvS guide covers the prep days and battle times inside that week.
What Are Canyon Clash, Alliance Showdown and Alliance Mobilization?
Three monthly events sit on top of the weekly spine and the SvS and KOI rotation.
| Event | Length | What it is |
|---|---|---|
| Canyon Clash | 1-hour battle | A monthly fight where three alliances from different states battle for the Lost Canyon. |
| Alliance Showdown | 6.5 days | A monthly cross-state alliance event that follows SvS. |
| Alliance Mobilization | 6 days, from Monday 00:00 UTC | A task-based alliance event every 4 weeks. One tracker says young states get it twice a month. |
These events share a monthly cadence, but their lengths and formats differ. Check the Event Center for their placement within your state’s current rotation.
Why Does a New State Run Hall of Chiefs Instead?
Hall of Chiefs fills the cross-state ranking slot on young states. Once a state enters the State of Power (SvS) cycle, King of Icefield replaces it, and Hall of Chiefs does not come back.
King of Icefield works much like Hall of Chiefs, but the leaderboard is harder because Chiefs from six states compete in it. Sources do not agree on how many Hall of Chiefs runs a state gets before the switch, so check your Event Center.
Where Does Crazy Joe Fit on the Calendar?
Crazy Joe has no cadence that sources agree on. One guide calls it weekly and one tracker says about monthly, so watch for its banner in the Event Center.
An alliance R4 or R5 officer starts the event and picks one of 21 difficulty levels. Each run sends 20 waves of bandits at member cities, and waves 10 and 20 hit the Alliance HQ.
How Should You Time Your Resources Around the Calendar?
- Bank speedups, gems, and growth materials for the SvS or KOI preparation phase. Spending the same resource inside an event window adds event points on top of its normal effect.
- Never skip Bear Trap. It costs no troops and returns about every 47 hours.
- Ask your R4s when they plan to start Crazy Joe, since only they can trigger it.
- Treat any published date beyond which event comes next as a guess. Century Games does not publish a global calendar, and only the in-game Event Center knows your specific state’s offset.
For resource planning, keep the Mithril guide, Chief Gear guide, Chief Charms guide, and Hero Shards guide nearby. The gift code tracker also belongs in the same planning toolkit.
Between events, the Whiteout Survival bot keeps gathering, training and daily tasks moving so your stockpile grows before the next SvS.
Why Does Your State’s Calendar Look Different?
State age changes the major rotation, especially before the first SvS. Individual states also have their own offsets, so a schedule copied from another state may place the right event on the wrong week. Use cadence guides to understand the pattern, then use the in-game Event Center to confirm what your state will run next.
A farm account keeps the main city fed. Our Whiteout Survival accounts page is the one we sell.
Whiteout Survival Event Calendar FAQ
When is the next SvS in Whiteout Survival?
SvS returns every 4 weeks, so the next one starts 4 weeks after your state’s last one began. Each state runs on its own offset, and the Event Center shows your date.
Is there an official Whiteout Survival event calendar?
No public one. Century Games shows upcoming events only in the in-game Event Center, and fan calendars list cadence rather than confirmed dates.
How often is Bear Trap in Whiteout Survival?
About every 47 hours, once an alliance leader summons it. The in-game Hunting Trap timer shows the next one.
How often is Foundry Battle?
Every 2 weeks. It alternates with Frostfire Mine, so one of the two runs each week.
When does King of Icefield start?
Every 4 weeks, 2 weeks after SvS, and trackers list a Monday 00:00 UTC start. It runs for 7 days. Young states get Hall of Chiefs in that slot until they join the SvS cycle.
Facts checked October 30, 2026 against wostools.net (events wiki), whiteoutsurvival-community.com (updated September 27, 2026) and whiteoutsurvivalhq.com (October 2026). Also heaven-guardian.com (King of Icefield guide, October 8, 2026), buffbuff.com (June 26, 2026) and lootbar.com (Crazy Joe).
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