This change forces players to diversify their builds rather than stacking a single damage type.
The gameplay primarily follows a linear visual novel structure with occasional experimental minigames. The Trials
The Gain Trials is a story-driven, downloadable game for Windows, macOS, Linux, and Android that puts the player in the role of a head scientist conducting a series of experiments. The goal of these trials is to push the bodily limits of three primary subjects: Tracy, Sarah, and Krystal.
"The Gain Trials" could refer to a research study, an experimental analysis, or a simulation-based investigation focused on gains, which could be interpreted in various contexts such as economics, psychology, engineering, or computer science. The term "gain" often relates to improvement, increase, or enhancement in a specific parameter or set of parameters within a system, process, or study.
Have you beaten the Hollow Vessel in v1.6.1? Share your build in the comments below. The Gain Trials -v1.6.1- By Bladerune9
The Gain Trials (v1.6.1) is a 3D-rendered experimental story by Bladerune9 where you play as a head scientist overseeing physical transformation trials on three subjects: Tracy, Sarah, and Krystal.
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: In v1.6.1, you can play through the first 6 stages for Tracy and Krystal, and up to 7 stages for Sarah.
: Offers 6 stages that track her evolution throughout the laboratory trials. This change forces players to diversify their builds
: Two new characters have been added to interact with during the research phase.
: A core subject undergoing drastic physical transformation phases.
Rather than simply clicking through text blocks to advance a girl's weight, v1.6.1 fully integrates an interactive fluid-mixing minigame. Players must actively formulate the dense nutrient cocktails, adding a layer of management simulation to the scientific roleplay. 4. Expanded Roster
is a polished, niche project best suited for fans of 3D transformation fetishes who prioritize visual progression over complex branching narratives. While the gameplay can feel grindy, it serves as a high-quality companion piece to the developer's broader portfolio. community-made guides The goal of these trials is to push
A common point of discussion among players on The Gain Trials Itch.io Hub is the unique way the game handles expansion. While the narrative heavily emphasizes "pumping the subjects full of liquid," the visual design clearly displays heavy, soft weight gain.
Version 1.6.1 represents a major pivot from earlier builds (v1.4.x and v1.5.x). Where previous versions rewarded grinding, punishes it. Bladerune9 famously posted on their development blog: "If you can beat the game by killing 10,000 slimes, you didn't earn the ending—you just wasted your own time. The Gain Trials should feel like a trial."
: Two additional characters are introduced, offering fresh interactions and expansion opportunities within the lab. The Gain Trials by Bladerune9 - Itch.io