# Frostline: Whiteout Survival guides > Fan-made reference for Whiteout Survival (Century Games): cheat sheets and in-depth guides. Facts last checked 17 Oct 2026 against the official Century Games help center (centurygames.helpshift.com) and community guides (WoS Tools, Heaven Guardian, Mone.gg and others). Unofficial fan site, not affiliated with Century Games. Numbers, unlock days and event rules change with patches and differ between states; treat them as rules of thumb and confirm in-game. Every page has a Markdown version at the same URL with `.md` added (the home page is /index.md). Everything in one file: https://wos.sheet.guide/llms-full.txt. Structured JSON: https://wos.sheet.guide/api/content.json. Inline markup is already converted to Markdown in both. Page URLs also return Markdown when requested with `Accept: text/markdown`. Discovery: OpenAPI https://wos.sheet.guide/api/openapi.json, API catalog https://wos.sheet.guide/.well-known/api-catalog, agent skill https://wos.sheet.guide/.well-known/agent-skills/whiteout-survival-guides/SKILL.md, AI catalog https://wos.sheet.guide/.well-known/ai-catalog.json, MCP server https://wos.sheet.guide/mcp (Streamable HTTP, no auth; card at https://wos.sheet.guide/.well-known/mcp/server-card.json). ## Cheat sheet - [Cheat sheet](https://wos.sheet.guide/index.md): headline facts and the quick tips for every section ## Daily Routine - [Daily Routine overview](https://wos.sheet.guide/guides/daily.md): Ten minutes a day, done consistently, beats long sessions. Ticks reset with the in-game day (00:00 UTC). ## Furnace & City - [Furnace & City overview](https://wos.sheet.guide/guides/furnace.md): The Furnace gates almost everything: building levels, troop tiers and new features. ## Heroes - [Heroes overview](https://wos.sheet.guide/guides/heroes.md): Gold-tier (Mythic) heroes release in generations as your state ages. Each generation adds an Infantry, Lancer and Marksman hero. - [Hero Generations](https://wos.sheet.guide/guides/heroes/generations.md): Every Mythic hero, grouped by the generation they arrive with, and roughly when each generation reaches a state. - [Rally Joiner Heroes](https://wos.sheet.guide/guides/heroes/rally-joiners.md): When you join someone else’s rally or reinforce a garrison, one hero skill of yours can boost the whole group. Picking the right one is one of the cheapest power gains in the game. - [Epic & Rare Heroes](https://wos.sheet.guide/guides/heroes/epic-and-rare.md): The purple and blue heroes. Most are early-game stand-ins, but several have jobs that stay useful all game. ## Troops & Formations - [Troops & Formations overview](https://wos.sheet.guide/guides/troops.md): Infantry stand in front, Lancers in the middle, Marksmen in the back. - [Formations by Situation](https://wos.sheet.guide/guides/troops/formations.md): Starting troop ratios for every common fight, from open-field PvP to the bear. - [Troop Tiers & Promotion](https://wos.sheet.guide/guides/troops/tiers.md): From T1 recruits to T12 Exalted: what unlocks each tier, how promotion works, and how much each tier is worth in events. ## Research - [Research overview](https://wos.sheet.guide/guides/research.md): Three main trees: Growth, Economy and Battle. ## Chief Gear, Charms & Pets - [Chief Gear, Charms & Pets overview](https://wos.sheet.guide/guides/gear.md): Long-term stat systems that separate whales from everyone else, but F2P can build them too. - [Chief Gear](https://wos.sheet.guide/guides/gear/chief-gear.md): Six pieces of gear worn by your Chief. Each pair boosts one troop type’s attack and defense. - [Chief Charms](https://wos.sheet.guide/guides/gear/charms.md): Gems slotted into your Chief Gear, three per piece, that add Lethality and Health for that piece’s troop type. - [Pets](https://wos.sheet.guide/guides/gear/pets.md): Beasts you capture and raise at the Beast Cage. Each has an active skill you trigger when it helps most. ## Events - [Events overview](https://wos.sheet.guide/guides/events.md): Events are where most rewards come from. Know which ones to save for, and which ones stack. - [State vs State (SvS)](https://wos.sheet.guide/guides/events/state-vs-state.md): Also called State of Power: five themed prep days against another state, then a 12-hour war on Saturday. - [King of Icefield](https://wos.sheet.guide/guides/events/king-of-icefield.md): A 7-day cross-state points race with one theme per day. It opens after your state’s first SvS. - [Hall of Chiefs](https://wos.sheet.guide/guides/events/hall-of-chiefs.md): Your state’s early-game points race. Chiefs in the same state compete on a daily theme. ## Alliance Battles - [Alliance Battles overview](https://wos.sheet.guide/guides/battles.md): Recurring alliance events. Most are about coordination and attendance more than raw power. Each one has its own in-depth page. - [Bear Hunt](https://wos.sheet.guide/guides/battles/bear-hunt.md): The alliance’s recurring rally event against the Raging Bear. It’s pure damage, with no defense to worry about. - [Crazy Joe](https://wos.sheet.guide/guides/battles/crazy-joe.md): Twenty waves of bandits hit your alliance’s cities and HQ. It’s a defense event that rewards being online and reinforcing well. - [Foundry Battle](https://wos.sheet.guide/guides/battles/foundry-battle.md): A one-hour alliance-vs-alliance battle on its own map, scored by controlling buildings. - [Alliance Championship](https://wos.sheet.guide/guides/battles/alliance-championship.md): A weekly, fully automatic tournament. Register one march and the game fights it for you across five rounds. - [Fortress & Stronghold Battles](https://wos.sheet.guide/guides/battles/fortress-battles.md): A season-long fight for control of buildings on your state map, with weekly battles. - [Canyon Clash](https://wos.sheet.guide/guides/battles/canyon-clash.md): A monthly three-alliance battle on the Lost Canyon map, where Fuel decides how much you can do. - [Sunfire Castle](https://wos.sheet.guide/guides/battles/sunfire-castle.md): The castle battle that decides who rules the state. It’s fought during the SvS battle phase. ## Alliance - [Alliance overview](https://wos.sheet.guide/guides/alliance.md): A strong, active alliance is the single biggest boost to your account. ## Resources & Spending - [Resources & Spending overview](https://wos.sheet.guide/guides/resources.md): Meat, Wood, Coal and Iron, plus gems, speedups and Fire Crystals. ## Exploration, Arena & Map - [Exploration, Arena & Map overview](https://wos.sheet.guide/guides/explore.md): PvE progression and the world map. ## Glossary - [Glossary overview](https://wos.sheet.guide/guides/glossary.md): Common shorthand you’ll see in alliance chat. ## Tools - [SvS prep points by day](https://wos.sheet.guide/tools/svs-calculator.md): Enter your Fire Crystals, speedups, hero shards, Mithril and more to see your State vs State prep points per day and the best day to spend each item.