Funguys Swarm Beginner's Guide
Everything you need to survive your first arena and start building powerful setups.
Choosing Your First Character
When you first launch Funguys Swarm, you pick between the original pair: Shroomba and Ersa. They have been available since Early Access day one (August 21, 2025) and remain the only immediate choices on a fresh 1.0 save. Later heroes — Nutcase, Groovba, Joomba, Fuzzbug, X-olotl, NutsNBoltz, Chimpy, and the 1.0 trio Dr. Botanika, Mr. Midnight, and Steve — unlock through Starpath, arenas, and quests. A secret character waits behind a Fire King clear in Hellscape.
Shroomba is the mascot melee leader. His Iron Shroom special and the Watermelon Axe reward players who stay close and swing through fruit swarms. He is sturdy, readable, and an excellent first clear of Carrot Farm.
Ersa is the Water Freeze specialist. Freeze immobilizes regular enemies and buys space when the screen fills. Many new players find her the gentlest teacher of dash timing because frozen packs cannot collapse as quickly. Read the dedicated Controls page for keyboard, pad, and Steam Deck layouts before your first Hellscape attempt.
Do not worry about locked characters in your first sessions. The starter pair can finish every arena once Forest Strength and Sanctuary upgrades come online. Use the Unlock Guide and Starpath when you are ready to expand the roster.
Understanding Controls
Funguys Swarm supports both keyboard and mouse and full controller layouts. The game is Steam Deck Verified and plays excellently with a handheld controller setup.
Your character moves with WASD or the left analog stick. Weapon attacks fire automatically toward your mouse cursor or the direction you are facing on a controller. This means you can focus purely on positioning while your weapon handles damage output.
Dashing is triggered with Space or the controller’s jump button. Dashing makes you invulnerable to most enemy attacks during the dash frames. It is also the primary method for triggering dash-based skills, which many powerful builds rely on. You have a limited number of dash charges that recharge over time.
The game pauses automatically when you open the menu with Escape or the controller’s Options button. Use this to review your current upgrades, check the Sanctuary’s upgrade shop, or adjust settings.
How Arena Runs Work
Each arena begins with a wave announcement. Enemies spawn from screen edges in increasing numbers and variety. Your primary objective is to survive until the arena timer fills, at which point the arena boss spawns. Defeating the boss completes the arena and unlocks the next stage.
Enemies drop Experience (XP) crystals when defeated. Walk over these crystals to collect them and fill your XP bar. When you level up, the game pauses briefly and presents you with three upgrade cards. Choose the card that best fits your current strategy — you do not need to accept all upgrades immediately if the options do not suit your build.
Enemy difficulty scales as the run progresses. Early waves introduce basic minions like Fuzzbugs and Chompers. Mid-game waves add ranged attackers, elite variants, and environmental hazards like fire patches on Lava Jungle. Late-game waves are overwhelming swarms of elite enemies, and the arena boss is the final test of your build’s strength.
Skill Triggers: The Build Foundation
Understanding how skills activate is more important than picking the most powerful individual skills. Every skill in Funguys Swarm has a trigger type that determines when it activates:
Cooldown skills activate on a timer and are independent of player actions. They provide reliable passive effects but cannot be synchronized with other abilities.
Weapon attack skills activate whenever your weapon fires a projectile or swings. These are the most common trigger type and synergize with attack speed builds.
Dash skills activate the moment you spend a dash charge. Pairing multiple dash skills with a short dash cooldown creates near-constant ability uptime.
Movement skills activate as you move through the arena. They generate persistent effects around your character.
Pickup skills activate when you collect XP crystals. These turn normal progression into offensive pressure.
Level-up skills grant bonuses whenever you level up during a run.
The Best Builds Guide covers specific trigger-based build combinations in detail, but the core principle is simple: stack skills with matching triggers to amplify their combined effect.
The Forest Sanctuary
Between arena runs, you return to the Forest Sanctuary. This is your permanent base where upgrades persist across all runs. Spend Dew, Gold, and other currencies earned from arena completions on permanent weapon improvements, skill power upgrades, pet equipment, and Treeling unlocks.
The Shroom Shop inside the Sanctuary sells items including new weapons, additional skill slots, and rare relics. Check the shop after every completed arena — its inventory refreshes with each visit.
Starpath quests track specific challenges such as defeating a certain number of enemies with a particular element, completing arenas without taking damage, or collecting resources in specific ways. Completing Starpath quests unlocks new skills, characters, and cosmetic rewards.
Fire Curses: Risk and Reward
Fire Curses are optional difficulty modifiers introduced during the 1.0 update. When a level-up screen appears, one of your three card options may be a Fire Curse. Taking a Fire Curse makes the current run harder — enemies may gain extra health, move faster, or spawn in larger numbers — but it also increases your Dew and Starpath rewards for that run.
Experienced players commonly take Fire Curses intentionally to accelerate their progression, since the bonus rewards compound quickly. Beginners should skip Fire Curses and focus on completing arenas consistently first.
Common Beginner Mistakes
Trying to collect every XP crystal immediately is a mistake. Movement toward distant crystals often leads you into enemy clusters or boss attacks. Let your character naturally collect nearby XP while prioritizing dodging and positioning.
Ignoring dash is another frequent error. Dash frames grant invulnerability, making dash the single most important survival tool. Even slow characters can survive late-game waves if they dash intelligently.
Accepting every upgrade offered without strategy spreads your build too thin. A focused build with three highly synergistic skills will outperform a scattered build with six disconnected skills. Review the Skills and Weapons page to understand which upgrades genuinely strengthen your character.
Your First Arena Strategy
Carrot Farm is your starting arena. Its enemies are relatively slow and predictable, giving you space to experiment. Focus on survival rather than optimization. Learn the visual tells of each enemy type, practice dash timing against their attacks, and observe how your skill triggers activate during combat.
Watch the boss health bar at the top of the screen. When the arena timer fills, the boss spawns. Bosses in Carrot Farm have two distinct phases with different attack patterns. Stay mobile, prioritize dodging boss attacks over dealing damage, and use your dash to escape pincer combinations.
The Arena Walkthrough covers each arena in detail, including boss patterns and recommended strategies for Carrot Farm, Frozen Pond, Lava Jungle, Egglosseum, and the final Hellscape arena.
What Comes Next
Once you have completed a few Carrot Farm runs, you will have a feel for your preferred character and playstyle. From there, explore the Character Tier List to understand current community rankings, then move into the Best Builds Guide to find a trigger-based build that matches your chosen character. The Pets and Treelings page explains companion synergies that can dramatically improve your survivability in difficult arenas.
Every run teaches you something new about Funguys Swarm. The meta-progression systems ensure that even failed runs contribute to your permanent strength, so stay patient, experiment with different builds, and enjoy the chaotic charm of this cartoony survivor.
Frequently Asked Questions
Quick answers to common questions about Funguys Swarm.
How do I control my character in Funguys Swarm?
Movement uses WASD or the left analog stick on a controller. Your character attacks automatically with their equipped weapon. You can aim with the mouse or right stick. Press Space or the controller's jump button to dash, which is essential for dodging enemy attacks and triggering dash-based skills.
Should I pick a specific character as a beginner?
Start with Shroomba if you want sturdy melee and the Watermelon Axe, or Ersa if you want Freeze crowd control. They are the two original starters. Fuzzbug, X-olotl, and Chimpy unlock later and are not available on a brand-new save.
What is the most important thing to focus on in early runs?
Survive. Do not worry about optimal builds in your first few runs. Focus on learning enemy attack patterns, understanding when to dash, and collecting as much XP as possible. Each run, even failed ones, contributes to your permanent Sanctuary upgrades through Forest Strength.
How does the upgrade system work?
When you level up during an arena run, you are offered three upgrade cards. These can be weapon upgrades (damage, attack speed, critical chance), skill upgrades (power, cooldown, area), or passive upgrades (permanent stat boosts). Some upgrades add entirely new projectiles or effects to your abilities, making build variety enormous.
What are Fire Curses?
Fire Curses are optional modifiers that increase difficulty in exchange for bonus rewards. Taking Fire Curse cards during level-ups makes enemies faster, tougher, or more numerous, but completing a run with those curses active grants extra Dew and Starpath progress. Advanced players commonly use curses to speed up progression.