Season I: Turbulent Tides Guide | Tiles Survive Season Guide

Season I Key Summary

If you understand the full structure first, you can avoid many mistakes with season resources and early choices.

          What to remember first
          Season I runs for 8 weeks in total. In the early phase, the most important thing is raising cockpit level
          to secure corrosion resistance, and for most players the blue ship is the more stable choice because of its growth efficiency.
          The red ship suits combat-focused players, but for players who still have a long growth path ahead,
          the blue ship feels far better for resources, construction, and research.
        

Cockpit Level Corrosion Resistance Ship Skills Season Pass Season Weekly Pass Hero Promotion KvK

Ship Choice

You can choose between a blue ship and a red ship, and their personal skill sets are different.

          Recommended conclusion
          Both ships can be chosen based on preference, but for about 97% of players who still need a lot of growth,
          the blue ship is the recommended option.
          The blue ship has better resource, construction, and research efficiency, making it more favorable for long-term growth.
        

Blue Ship

This is an economy-focused ship specialized in production and trade. It feels the most efficient during the growth phase and is especially strong for compressing construction and research time.

Instantly gain 2000 / 3000 / 4000 resources (Fresh Water and Fuel) · 24-hour cooldown

Instantly gain 10,000 soldiers (your highest troop tier)

Instant construction speedup of 1 / 2 / 4 hours · 24-hour cooldown

Construction speed +5 / 10 / 15% · applies to one companion for 1 hour

Research speed +5 / 10 / 15% · applies to one companion for 1 hour

Red Ship

This is a combat-focused ship specialized in battle and siege. It fits players who mainly play around rallies and combat performance.

Instantly recover 20,000 soldiers

Damage dealt +5% · lasts 1 hour

When starting or joining a rally, damage dealt +5% · applies to all rally participants for 1 hour

Damage taken in battle reduced by 2 / 3 / 5% · lasts 1 hour

Immediately wounds 5% of troops in a non-alliance settlement · can only be used once per settlement

Quick tip here The blue ship's construction speed and research speed buffs apply immediately even to projects already in progress. When research or construction takes 20 or 30 days, if several players stack buffs on one player, the remaining time keeps shrinking proportionally, so the practical impact is huge.

Ship skills can be instantly leveled up to level 3 using the 3 Ocean Coins granted at each ship level.

Corrosion Resistance and Season Goals

The core stat of Season I is corrosion resistance. You raise cockpit level, earn personal rewards, and lower the difficulty of season content over time.

Season Progress (Personal)

This is the page where you raise ship level, in other words corrosion resistance, and earn personal rewards. As cockpit level increases, corrosion resistance rises, and growth rewards such as season resources and skill books are unlocked step by step.

Ship Upgrade Effect

Ship upgrades increase corrosion resistance and reduce the damage reduction penalty when fighting infected enemies and infected bosses. In Season I, the higher this value is, the easier it becomes to deal with higher-level enemies.

          Core understanding
          Season goals are built around raising cockpit level to secure corrosion resistance.
          As you keep raising cockpit level, season content becomes easier to access, and you can collect personal rewards along the way.
        

Season Progress (Server)

This works like a calendar structure showing the overall season flow.

          Put simply
          You can think of this as a calendar showing which content opens and when during the season.
          As each content window opens, server-wide quests are given for about 2 to 3 days,
          and if the whole server clears the mission, everyone receives rewards.
          The missions themselves are simple rather than difficult, and the rewards feel like steady cumulative rewards.
        

Full Season I Flow

Season I runs for 8 weeks. The exact unlock order can vary slightly by server, but the overall flow is easiest to understand like this.

Week 1

Season Start / Ship Choice / Securing Corrosion Resistance

Once the season opens, you choose a ship and begin raising cockpit level and corrosion resistance through season goals. The top priority early on is securing corrosion resistance and building the foundation for season resource production.

Week 2

Monster Extermination Begins in Earnest

Once corrosion resistance is built up to a certain level, efficiency against season-themed monsters improves. Personal and ranking rewards in this phase are worth taking when possible, but overly aggressive spending competition is not recommended.

Week 3

Support Content Opens, Including Fishing Tournament

In addition to combat-focused season content, support content such as the Fishing Tournament becomes available. Based on the reward preview, you can obtain general speedups, cards, and season-related resources.

Week 4

Hero Promotion Preparation

This is when you prepare for Lucky promotion. You should check Lucky star level, skill book usarge, and the timing for securing promotion materials.

Week 5

Mid-to-Late Growth Compression

If you chose the blue ship, this is where construction and research buff efficiency becomes very noticeable. Differences in season resource production buildings, pass value, and weekly pass value also begin to show clearly.

Week 6

Deeper Combat Preparation

Alliance-based combat preparation and score management become more important. The more your server aligns roles, truck attacks, and alliance competition wins in advance, the better.

Week 7

Final Prep Before KvK

This is when speedups, troops, and score resources are organized before fully entering cross-server preparation. At this stage, server-wide score management matters more than individual growth.

Week 8

KvK and Season Wrap-Up

In the end, the season connects into cross-server score competition and tournament flow. Before the season ends, it is best to organize all remaining season resources, pass rewards, and promotion materials.

Infected Elimination (Season Theme)

This is one of the main season combat contents directly tied to corrosion resistance.

Personal Rewards + Ranking Rewards

There are personal rewards for infected elimination, and ranking rewards also exist. In the monster extermination UI, kill records and ranking rewards are managed separately.

You Can Challenge Even Without Matching Resistance

Your corrosion resistance does not need to exactly match the infected level to defeat it. If it is too low, the damage reduction penalty makes it nearly impossible, but once you get reasonably close, raw combat power can push through.

          Example
          If an infected target requires 5000 corrosion resistance, it does not mean you must have exactly 5000 to kill it.
          At around 2000 to 3000 it is almost impossible because of the penalty,
          but at around 4500 the damage reduction is greatly eased, and brute-forcing it with combat power becomes possible.
        

This event is especially meaningful in Week 1, and the reward scale feels more like a ranking-style content than an extremely large reward event.

Season Pass / Season Weekly Pass

These are the first season products to check when evaluating spending efficiency.

Type	Price	Main Effect	Note
Advanced Pass	KRW 7,500	Unlocks season pass rewards	Can be purchased once per season
Premium Pass	KRW 30,000	Requires Advanced Pass + Seawater Purifier count +1	Available after purchasing the Advanced Pass
Season Weekly Pass	Weekly	Refinery Tank count +1, temporary +150 corrosion resistance in battle	7-day basis, extendable

Premium Pass

If you purchase the Premium Pass, you can build one extra building that produces seasonal Fresh Water. In the season messenger screen, the key effect is Seawater Purifier count +1.

Season Weekly Pass

The Season Weekly Pass can be purchased once per week or multiple times to extend the duration. It allows you to build one extra Refinery Tank that produces seasonal Fuel, and it also provides a temporary +150 corrosion resistance effect in battle.

          Additional weekly pass rule
          When you purchase the Season Weekly Pass, a 7-day privilege is activated.
          If time remains when it ends, it carries over into the new weekly pass of the next season.
          The included buffs apply throughout season progression and combat.
        

Fishing Tournament

This is a support content event that opens in the middle of the season.

Scheduled Unlock Content

The Fishing Tournament opens at a certain point during season progression. Based on the reward preview, you can obtain support growth resources such as general speedups, cards, and blueprint-type items.

Main Role

It is less demanding than the main combat content and serves as a mid-season reward source. If your season resources are tight, it is worth making sure you participate.

Hero Promotion

This is one of the most noticeable hero changes in Season I.

          Core point
          When the season begins, SR-rarity Lucky can be promoted to SSR rarity.
          The requirement is Lucky at 10 stars plus 50 promotion-exclusive materials.
        

Item	Details
Target Hero	Lucky
Promotion Requirement	SR Lucky 10 stars + 50 promotion-exclusive materials
Promotion Result	SR 10 stars → SSR 6 stars
Upgrade Change	One active skill and passive stat-increase skills are enhanced
No Effect On	Auto-attack and stamina-consumption related passives are unaffected
Skill Book Handling	All skill levels reset to 1 and 100% of used skill books are refunded
Shard Cost After Promotion	Consumes Epic Hero Shards at double rate for strengthening
Promotion Material Source	Can be fully obtained through personal rewards at 6500 corrosion resistance

VS Thursday Hero Day tip First use all saved skill books on SR Lucky to push your score up, then promote Lucky to SSR. After that, all skill books are refunded at 100%, so you can raise your score again using the returned books.

KvK

The core of the late season ultimately comes down to score competition.

Basic Structure

It runs similarly to alliance competition, but your opponent is another server. The higher-scoring side gets to invade the Sky Fortress of the lower-scoring side, and the real core is weekly score competition.

Practical Operation Point

Winning alliance competition and alliance showdown matters, and your server should be led so that players consistently attack trucks from the other server. In practice, KvK works like a score-based path into the tournament phase.

          Helpful to know
          Even if you lose in KvK score and get invaded, or invade the other side instead,
          the structure does not involve permanently losing control of the Sky Fortress.
          Even if you lose the Sky Fortress battle, there is no direct loss such as leader package reset,
          so it is best understood as a psychologically heavy defeat rather than a severe structural punishment.
        

Season I Final Takeaway

To summarize Season I from a practical point of view, this order is the most stable.

1

Consider the Blue Ship First

For most players, the blue ship is better for growth efficiency. The red ship is best chosen only when your combat purpose is very clear.

2

Raise Corrosion Resistance First

In the end, Season I difficulty is determined by how much corrosion resistance you secure. Prioritize cockpit level and season goals.

3

Check Pass and Weekly Pass Efficiency

The extra buildings for Fresh Water and Fuel production become more valuable the longer the season lasts. Even for low spenders, this section has real value.

4

Use Lucky Promotion Timing Well

If you connect it with VS Hero Day, score efficiency becomes much higher. Be sure to use the skill book refund structure.

5

In KvK, Server Score Matters More Than Individual Play

In the late phase, server-wide score management and truck attack coordination matter more than individual combat.

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