HeartLib is a strategy RPG for PC in which players assume the role of the newly appointed Librarian of Heart-Lib. The story begins with the protagonist waking in a daze and receiving the position from Ye Luoqiu, who serves as the Town Mayor. She assigns the task of protecting the town from ongoing enemy invasions. Several allies step forward to help, including a formidable squire, a gentle chef, and a deranged artist, each bringing distinct abilities that influence how the defense unfolds.
Gameplay
The core loop revolves around card-based combat and deck construction that emphasizes planning and positioning. Combat takes place across Plots, where cards move in sequence according to their printed requirements. Players must arrange cards in the correct order so that each one satisfies the Plot conditions. The path a card traces across the Plots determines its full effect, allowing it to influence or repel enemies in every area it passes through. This system rewards careful sequencing rather than simple power plays.
Deck building uses Books instead of individual cards. Each Book functions as a themed pack that contains Illustrations for chaining effects, Pages that provide varied outcomes, and Reflection cards that deliver strong results once charged. The structure reduces the complexity of building a functional deck while still allowing meaningful choices. Different allies introduce distinct passive abilities that alter how these Books perform, creating varied playstyles centered on the chosen companion.
Game Modes
HeartLib presents its experience through a unified campaign structure focused on defending the town. The single-player progression ties story events to repeated defensive encounters, with allies and Books shaping each session. No separate competitive or cooperative modes appear in the available information, so the emphasis remains on mastering the Plot sequencing and Book construction within the main narrative flow.
Deck Building and Ally Influence
Constructing a deck around Books creates clear archetypes tied to each ally. The squire, chef, and artist each modify gameplay through their unique passives, encouraging players to experiment with different companions to discover which style suits their approach. Illustrations help link cards for combos, Pages add flexibility in effects, and Reflection cards serve as high-impact options that require setup. This system keeps deck building accessible while still offering depth through positioning and timing on the Plots.
Is It Worth Playing?
HeartLib suits players who enjoy strategic card combat with an emphasis on positioning and ordered play rather than raw power. The Book-based deck construction lowers the barrier for newcomers while the Plot mechanics reward precise planning. Those drawn to RPG elements blended with tactical decision-making will find the ally passives and enemy pressure create engaging sessions. The game remains in active development on PC, with its core systems centered on single-player defense and progression. Fans of deliberate, pattern-focused strategy will likely appreciate the distinct combat flow and companion-driven variety.