Trainatic – Endgame Guide: The ‘Unstoppable’ Laser Build for Conquering Orb Level 20

For the most dedicated conductors in Trainatic, one challenge stands above all others as the ultimate test of endurance and efficiency: reaching and defeating Orb Level 20. This monumental endgame grind requires not just a powerful train, but a highly optimized and intelligent strategy designed to complete levels at the fastest possible rate. Many players have hit a wall in the high-level orb challenges, finding their progress slowing to a crawl.

This guide will break down the dominant meta-strategy for absolutely crushing this challenge: the Infinite Pierce Laser Build. We will move beyond just a simple list of train cars and delve deep into the core concepts of why this build is so overwhelmingly effective. We’ll cover the build philosophy, the optimal location for the long grind, the precise in-game tactics, and the long-term upgrade path that makes this build truly unstoppable, allowing you to conquer Orb Level 20 in just a few hours.

Understanding the Orb Challenge

Before we dive into the build, it’s essential to understand the gameplay loop of the orb challenge. Reaching Orb Level 20 is a long-term objective that requires you to repeat the same core process many times, with the difficulty ramping up at each stage.

The Two-Phase Gameplay Loop

Each orb level consists of two distinct phases that must be completed:

1. The Destruction Phase: To summon the Orb, you must first destroy a specific number of environmental objects scattered across the map. The number of objects required increases with each orb level. The key to an efficient run is to complete this phase as quickly as possible.
2. The Capture Phase: Once the required number of objects have been destroyed, the Orb will spawn. You must then successfully catch it with your Orb Catcher car to complete the level. On higher levels, the Orb becomes faster and more durable, making this phase more challenging.

The entire grind to Level 20 is about optimizing this loop. The faster you can clear the objects and spawn the orb, the faster you will progress. This is where the specific design of our build comes into play.

The Build Concept: Why Lasers Are the Undisputed King

The entire philosophy of this unstoppable build is centered around a single, game-breaking weapon mechanic: the infinite pierce of the Laser car.

The Power of Infinite Pierce

Unlike traditional projectile weapons like Spike Shooters or Shotguns, whose bullets stop after hitting their first target, the beams fired from a Laser car pass through everything. This means that a single, powerful laser beam can damage and destroy dozens of objects across the entire screen simultaneously, from the front to the back of the map. For an objective that is purely dependent on the speed of mass object destruction, this unique property makes Lasers the undisputed best tool for the job. It is, as the build’s creator notes, “physically impossible to do it faster” than clearing the entire screen at once.

The Build Philosophy: Maximum Laser Efficiency

With the understanding that lasers are the key, the entire goal of this train build is to make your laser cars as powerful as humanly possible. This means that the core of your train should be your Laser cars, and every car adjacent to them should be a Support car dedicated to amplifying their power. While the specific layout can be tweaked to your preference, the principle remains the same: surround your Laser cars with the best support cars in the game, such as those that boost Damage, Fire Rate, or add Explosive properties to their beams. The rest of the train is secondary; the lasers are your engine of destruction.

The Ultimate Tactic: How to Execute the Grind

Having the right build is only half the battle. To achieve maximum efficiency, you must execute the strategy in the right location with the right tactics.

The Perfect Location: Why You MUST Farm in the Space Biome

This is the most critical piece of strategic advice for this entire grind: you must complete this challenge in the Space biome. The reason for this is a perfect, self-sustaining upgrade loop. The Space biome is the only location in the game where you can farm a special resource called “dust.”

This dust is a crafting material that can be converted directly into orbs, the very same orbs that are used for your permanent “Science” upgrades in the tech tree. By grinding for Orb Level 20 in space, you are simultaneously completing the achievement and farming the exact currency you need to upgrade your train and make the grind even faster. This creates a powerful feedback loop where every run makes the next one easier. According to the build’s creator, after you’ve unlocked the orb upgrades, all locations become equally difficult anyway, so there is absolutely no downside to farming exclusively in the resource-rich Space biome.

The “Set and Forget” Execution

The in-game execution of this strategy is brilliantly simple and requires very little active gameplay, allowing you to focus on managing your upgrades.

1. Start a level in the Space biome with your laser-focused train build.
2. At the very beginning of the level, Right-Click (RMB) on the screen in front of your train. This will lock your lasers into a fixed, forward-firing position, creating a massive, screen-clearing wall of death that will automatically vaporize any objects that enter its path.
3. That’s it. After this initial click, the run becomes a “waiting game.” Your super-buffed lasers will automatically destroy objects at the fastest possible rate, spawn the orb, damage it, and leave you to simply catch it when it gets close. This “set and forget” method allows you to grind through the levels with maximum efficiency and minimal effort.

The Upgrade Path

While your lasers are automatically clearing levels, you should be using your earned resources to upgrade your train.

• In-game upgrades: The author recommends focusing on upgrading everything that is not a weapon first. This includes your utility cars, your train’s speed (though this is noted as being extremely expensive), and any other non-damage components.
• “Science” (Permanent Upgrades): All the dust you are farming should be crafted into orbs. Immediately spend these orbs in the science tree to permanently upgrade your Laser cars and all the Support cars used in your build.

The author notes that the grind to Orb Level 20 is so long that you will naturally acquire more than enough orbs to fully upgrade everything you need for the build to function at its peak. By following this strategy, you will not only beat the challenge but also end up with a completely maxed-out train.

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