Choosing the right tube for your underwater adventures in Abyss is essential, as it directly affects your exploration capabilities. The type of tube you select dictates your oxygen supply, movement speed, maximum diving depth, and the amount of fish you can capture at any given time. Upgrading your tube at strategic moments can significantly enhance your ability to access new areas and boost your overall game progression. To help you make the best upgrades, this comprehensive guide outlines the optimal tube progression path, ensuring you invest wisely in your upgrades.
Update: This guide reflects the latest adjustments to the tube progression system following the official release of the game.
Optimal Tube Progression in Abyss
Upon entering Abyss for the first time, you’ll start with a basic Wooden Tube, which provides minimal features that may hinder your progress. Initially, focus on catching fish in the starter zone, completing beginner quests such as those from Kraken and other NPCs, to gather enough funds for better equipment including tubes and guns.
Many early-game tubes are available at David’s Tube Shop, located within the safety dome. As you venture beyond, particularly into the Ancient Sands and Spirit Roots, you’ll encounter upgraded options. Below is a brief overview of the ideal tube progression in Abyss:
Wooden Tube (Default) ➡️ Normal Tube ➡️ Pufferfish Tube ➡️ Boat Tube ➡️ Rukiry Tube ➡️ Oxy Tube ➡️ Lost Spirit Tube ➡️ Ruined Tube
| Tube | Location | Cost | Stats |
|---|---|---|---|
| Wooden Tube (Default) | Free at start | Free | Oxygen: 40 | Max Depth: 15m | Weight: 5kg | Speed: 20/s |
| Normal Tube | Forgotten Deep (David’s Tube Shop) | $350 | Oxygen: 70 | Max Depth: 50m | Weight: 25kg | Speed: 20/s |
| Pufferfish Tube | Forgotten Deep (David’s Tube Shop) | $2850 | Oxygen: 110 | Max Depth: 180m | Weight: 80kg | Speed: 22/s |
| Boat Tube | Ancient Sands, beside Marcus | $5250 | Oxygen: 130 | Max Depth: 275m | Weight: 120kg | Speed: 22/s |
| Rukiry Tube | Ancient Sands, beside Grumpy Hank | $40, 500 | Oxygen: 180 | Max Depth: 460m | Weight: 180kg | Speed: 24/s |
| Oxy Tube | Spirit Roots (Beside Lumi) | $84, 500 | Oxygen: 220 | Max Depth: 495m | Weight: 250kg | Speed: 28/s |
| Lost Spirit Tube | Spirit Roots (Beside Victor) | $150, 000 | Oxygen: 300 | Max Depth: 600m | Weight: 370kg | Speed: 30/s |
| Ruined Tube | Bob’s Room | $270, 000 | Oxygen: 380 | Max Depth: 650m | Weight: 480kg | Speed: 32/s |
Understanding Abyss Tube Progression
Before delving deeper into the specifics of tube statistics, it’s crucial to understand what these metrics signify within the game. The oxygen level, which you can monitor at the bottom left of your screen, varies with each tube and indicates how long you can remain underwater before needing to return to safety. While you can enhance these statistics through some Abyss races, using better tubes amplifies your performance significantly.
The maximum depth, measured in meters, determines how far you can dive without experiencing rapid oxygen depletion. Weight indicates how many fish you can carry simultaneously, while speed reflects your basic movement velocity underwater.
At the start of your journey, prioritize improving your tube’s oxygen capacity to ensure you can comfortably catch fish and explore effectively.
Addtionally, you can amplify your tube’s oxygen, weight, and speed with various Abyss artifacts and potions, including oxygen pods. Below is a detailed progression guide that suggests the best tubes for each stage of gameplay.
Best Early Game Tubes in Abyss
- Wooden Tube (Default): Your starting tube, handy for initial explorations.
- Normal Tube: Essential for catching more fish, as the default tube is inadequate for progress.
- Pufferfish Tube: Avoid the Fire Tube and aim for the Pufferfish, which is crucial for advancing the Kraken quest due to its superior stats.

Best Mid Game Tubes in Abyss
- Boat Tube: While the Pufferfish Tube will take you to various regions, you’ll need oxygen pods. The Boat Tube is crucial for exploring Ancient Sands.
- Rukiry Tube: Instead of the Zepline tube, opt for the Rukiry, which provides better depth for Spirit Roots and helps complete up to 10 Diver quests.
- Oxy Tube: Once in the Spirit Roots, the Rukiry Tube’s limit will become apparent, making the Oxy Tube invaluable for catching fish and fulfilling quests.
Best Late Game Tubes in Abyss
- Lost Spirit Tube: After acquiring the Oxy Tube, upgrade to the Lost Spirit Tube, which serves as a pathway to the game’s most advanced tubes.
- Ruined Tube: When choosing between the Ruined Tube and the Bath Tube, the Ruined Tube generally offers superior oxygen performance, making it the preferred option.

This guide encapsulates the best strategy for tube progression in Abyss. What tube are you currently using? Share your thoughts in the comments!
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