How to Efficiently Blast Through Zangyou and Omake in Kero Blaster

Last Updated on 10 October, 2025

Welcome to this comprehensive Kero Blaster guide, designed to help both new and returning players fully master the game. Here, you’ll find clear explanations of mechanics, advanced tactics, level walkthroughs, boss strategies, secrets, speedrunning notes, upgrade paths, and achievement advice. This article solves the problem of scattered or superficial lore by gathering everything you need in one place, so you won’t have to hunt through forums or multiple guides for the best build, route, or trick!

• • 1. Game Overview
  • 2. Core Facts Table (Quick Reference)
  • 3. Mechanics and Systems
  • 4. Levels, Bosses and Modes
  • 5. Shops, Upgrades and Collectibles
  • 6. Beginner Roadmap and Advanced Tactics
  • 7. Achievements, Secrets and Speedrunning Notes
  • Conclusion

1. Game Overview

In Kero Blaster, you play as a bipedal frog employed by the company Cat & Frog who must restore malfunctioning teleporters by blasting through waves of bizarre black creatures across a series of tightly designed, linear platforming stages. Weapons can be upgraded mid-stage or between levels using currency dropped by enemies while you also expand your health and gear in a central hub. The game emphasizes precise shooting, responsive controls, and gradually escalating challenge, and once you beat the main mode you unlock Zangyou which remixes levels and pushes the difficulty.

• Developer: Studio Pixel
• Publisher: Playism
• Release Date: May 11, 2014
• Platforms: Windows, iOS, macOS, PS4, Nintendo Switch, Android
• Genre: 2D side-scrolling action, platformer
• Core Loop: Traverse stage → defeat enemies and collect coin drops → use currency to upgrade weapons and health → advance to next stage and repeat

2. Core Facts Table (Quick Reference)

3. Mechanics and Systems

Core Gameplay Mechanics

Kero Blaster centers on a run-and-gun formula where you balance movement and shooting. You control a frog who can walk, jump, and fire in a direction independently of motion (you aim once then can move freely while firing).

1. Holding the fire button causes continuous shots in the direction you were facing when you started firing, even while moving or jumping.

2. You unlock a jetpack midgame, enabling a double jump which expands traversal options.

3. Some weapons or upgrades interact differently with environment (e.g. fire weapons can destroy projectiles, but don’t work underwater).

Weapons and Upgrade Systems

The weapon and upgrade system provides choice, progression, and trade-offs. You purchase weapon upgrades in shops and decide how to allocate resources.

1. Each base weapon (Pea Shooter, Fan, Bubble, Fire, and the secret Kuro Blaster) has its own upgrade chain that improves damage, range, spread, or adds special effects.

2. The Arms shop lets you buy or upgrade weapons midstage.

3. Health upgrades (“Heart Boosts”) increase your maximum hearts, and you can also purchase items like the Heart Jar (revives you with hearts when you lose your last) and 1UPs for extra lives.

Health, Items and Defensive Mechanics

These systems give you survivability, trade-offs, and buffers rather than making combat trivial.

1. You have a finite number of hearts; raising your max heart count is vital to endure harder stages.

2. The Heart Jar is a one-use item that restores 4 hearts when you lose your last heart, acting as a safety net.

3. The Jacket can absorb exactly one hit before breaking, letting you survive one otherwise fatal strike (useful for “no damage” runs).

Progression, Checkpoints and Death Penalties

These systems govern how forgiving or punishing the game is as you advance.

1. Shops and checkpoints are placed at midpoints or after minibosses so that failure doesn’t force you to replay the whole stage from scratch.

2. If you lose all lives, you restart the stage, but your earned coins and weapon upgrades carry over.

3. The game limits backtracking: once you clear a section, mid-bosses don’t respawn on subsequent runs in that same stage, lowering redundant challenge

4. Levels, Bosses and Modes

Levels

The game sends you through seven linear stages in Normal Mode, each with its own theme and hazards. You hit checkpoints fairly often so dying only drops you back a short way. Mid-stage shops let you boost weapons, health, or lives before the tougher parts. As you progress the layout grows more complex, enemies become more varied, and terrain challenges demand better mobility and timing.

Bosses

Boss encounters punctuate each level and scale with mode difficulty.

1. Many bosses don’t have official names but internal names like Shield Plant, Gorgon, Dekaigyo, Dark 1/2, Clock Man, N577, and Boss Plate.

2. In Zangyou Mode, bosses get stronger  and often exhibit altered attack patterns or phases.

3. There is a Boss Rush mode located in the basement (C&F Inc., Floor B2) where you fight all bosses in succession

Modes

The game activates modes as you beat earlier ones.

1. Normal Mode launches the core campaign.

2. Zangyou Mode unlocks after you finish Normal. It remixes levels, increases boss difficulty, and adds new challenge.

3. Omake Mode (New Game+) unlocks after Zangyou. It carries over your weapon upgrades, but cuts your starting health down to one heart and gives you a Boss Rush challenge

5. Shops, Upgrades and Collectibles

Shops

They serve as in-stage hubs where you can spend currency to boost survivability and firepower.

1. They appear in every stage at midpoints or after minibosses, often via Cat & Frog teleporters or dedicated shop rooms.

2. You can buy healing, replenish health, purchase extra lives (1UPs), or increase your maximum health via “heart boosts” and containers.

3. The Arms shop lets you upgrade weapons (or switch between weapon types) during a run.

Upgrades

Upgrades let you strengthen combat and endurance over a playthrough in a permanent or semi-permanent way.

1. Weapon upgrades increase a gun’s damage, range, rate of fire, or add special properties (e.g. spread shots, bouncing bullets) as you invest more currency.

2. Health upgrades unlock additional heart containers, raising your total HP limit.

3. Some items like the Heart Jar auto-restore a portion of health if you lose your last heart, and the Jacket can absorb one hit before breaking.

Collectibles

Collectibles are scattered rewards or pickups that encourage exploration and help enhance your resources.

1. Chests hidden in levels yield coins, health, or sometimes weapon parts.

2. 1UP life-extensions can also be found or bought, giving you extra lives.

3. In Omake Mode (New Game+), you can find the secret Kuro Blaster weapon and upgrades for it in special areas.

6. Beginner Roadmap and Advanced Tactics

Beginner roadmap

1. Start with Normal Mode

• Focus on mastering movement and firing: learn how to hold fire and move or jump independently.

• Prioritize surviving over speed to beat early bosses even if it takes a few tries.

2. Early Shops and Upgrades

• Buy health upgrades early so you can take more hits.

• Upgrade your current weapon rather than waiting for rare weapons because improvements early help a lot.

3. Learn Weapon Types

• Try the different weapons (Pea Shooter, Fan, Bubble, Fire) so you know their strengths and weaknesses.

• Adapt weapon choice to level design (e.g. bubble works well downhill or in enclosed spaces; fire is strong vs. certain enemy types).

4. Use Collectibles and Secret Paths

• Explore carefully; secret passages often hide chests, extra lives, or upgrades.

• Don’t skip shops; refill health and buy items before entering tougher segments.

5. Unlock and Try Harder Modes

• Once you beat Normal Mode, tackle Zangyou Mode to remix levels and increase challenge.

• After Zangyou, play Omake Mode  if you want the game’s toughest tests

Advanced tactics

1. Weapon switching based on terrain and enemy placement: Use the bubble gun on downward slopes or against enemies below you, switch to fan or fire weapons when facing many enemies or close quarters.

2. Prioritize health upgrades early: Permanently increasing heart containers gives more leeway in mistakes during boss fights.

3. Refill health at shops before tough segments: Even small costs save you from costly deaths in difficult parts.

4. Master jetpack physics early: Get comfortable with the double jump and aerial control to avoid traps and dodge fast attacks.

5. Collect coins immediately and avoid delay: Dropped coins vanish after a time, so grab them quickly (without overextending into danger).

7. Achievements, Secrets and Speedrunning Notes

Achievements

The game offers 10 achievements, many of which are tied to completing the game under special constraints.

1. You unlock achievements by beating Normal, Zangyou, and Omake modes.

2. Several are jacket-related: e.g. Covered in Sweat, Soaked in Sweat, Jacket Rush require you to beat those modes while wearing the Jacket (i.e. without taking a hit).

3. Others revolve around not getting wiped out (avoiding a Game Over), finishing with only 2 hearts, or finishing modes with minimal lives.

4. Some achievements are missable, so you may need multiple runs or careful planning to get all.

Secrets

Kero Blaster hides several secrets and unlockables that reward exploration or special playthroughs.

1. The Kuro Blaster is a secret weapon you can only legitimately obtain in Omake Mode, not in Normal or Zangyou.

2. Some levels contain hidden chests, 1-ups, or secret passages that give you extra resources or boost your capabilities.

3. There is a special “reward for all achievements” screen unlocked once you collect every achievement.

4. A debug mode exists: by inputting a button sequence from the pause menu (◀ ▶ ◀ ◀ ▶ ▶ (Hold ◀) ▲ ▼ on controller) you unlock developer cheats like invincibility, editing health, items, and more.

Speedrunning Notes

Speedrunners optimize routes, skip tricks, and boss strategies to shave off seconds.

1. The Any% category is among the most run, with a current record around ~26 minutes (depending on version).

2. Tutorials exist for each level (e.g. Hinterland Fort, Greenery Zone, OXOX Hotel) showing optimized movement and enemy routing.

3. Runners exploit fast travel through teleporters, boss pattern manipulation, and minimal backtracking.

4. In speedruns, not taking damage, maintaining high mobility, and skipping optional rooms are common strategies to reduce time

Conclusion

With its crisp controls, intelligent weapon diversity, and layered difficulty modes, Kero Blaster packs more than it lets on into a compact experience. Whether you’re aiming for Normal, Zangyou, or Omake mode, careful planning, experimentation, and memorizing boss patterns become your greatest allies. The secrets, achievements, and speedrunning potential reward players who dig deeper, and the core gameplay remains rewarding through repeat runs. Hopefully, this guide arms you with the insight to enjoy every challenge and uncover all that Kero Blaster has to offer.