What Middle Grade Puzzles And Twists Match The Westing Game Vibe?

In the Bennet family, Rue had long been jealous of her twin sister, Rachel. She concocted a plan to get Rachel drunk and send her into a stranger's bed at their birthday party, hoping that she would be expelled from the Bennet family with her ruined reputation. However, in the playful hands of fate, Rachel bedded Edward Bluemel, the richest man in the world, and became pregnant. Edward fell head over heels for Rachel, and actively searched for the woman with whom he only had the fortune to meet once. With Rue's manipulation, the couple’s reunion was prevented. Nine months later, Rachel gave birth to a pair of twin boys, which fueled Rue's flames of jealousy once more. In order to take over Rachel’s place as Edward’s wife, Rue took one of the twins and pretended to be her. With that, she managed to marry Edward, though she never had his favor since then. Five years passed, the other twin that was raised by Rachel had grown up to be a cute, kind prodigy. By chance, he entered an upper-class kindergarten where he met his twin brother for the first time…

Heartbreak is supposed to kill a wolf’s spirit, but Aria Vale refuses to die quietly. Humiliated before her entire pack when her fated mate publicly rejects her, Aria returns home, shattered and furious, only to find a black envelope waiting on her bed. Inside lies an invitation to a deadly challenge known only as The Game: “Survive, and win what your heart desires most.” With nothing left to lose, Aria enters a realm beyond her world, an ancient castle suspended between life and death, where each dawn brings a new trial of survival. Competitors vanish one by one, hunted by the magic that governs the Game. But not everyone is what they seem. One contestant, a charming, infuriatingly optimistic wolf named Kael, seems more interested in keeping her alive than winning himself. His warmth disarms her, his smiles irritate her, and his secrets could destroy them both. Now Aria must survive the trials, outsmart the goddess who created them, and decide what freedom truly means: breaking her bond to the mate who betrayed her, or risking everything for the wolf who was never supposed to love her.

With her enemies in pre-civil war Virginia still seeking her death, Esmerelda is forced to return to the future only days after wedding Lance. Because it was necessary to fake her death in order to stop her enemies from following her to the future, her new husband, Lance, was forced to stay behind. He’d placed a magic box for them to communicate until he found a way to safely be with her beneath the floorboards of the house. Now, she must find it. A task that is easier said than done! “The Magic Box” is book two of the exciting paranormal-romance-mystery-thriller Esmerelda Sleuth Series

"Have you ever wished you could live inside your favourite book?" Rosella did. Until it actually happened. Thrown into a magical world where every journey rewrites destiny, she joins the famous Happy Carnival and travels beside Sebastian, a charming magician with too many secrets and an infuriating smile. But this isn't the adventure she imagined. Every city hides another secret. And somewhere in the shadows, the infamous Shadow Bandit is waiting... not to steal gold, but to steal the book that chose Rosella.

"A Game of Mirrors. A World of Nightmares." When a group of high school friends hears about “The Reflection Game,” a supposed urban legend said to reveal one’s true destiny, they can’t resist the temptation to try it. The rules seem innocent enough: light a candle, stand in front of a mirror, and chant a mysterious incantation. What starts as a fun dare quickly turns into a nightmare when the mirror fractures, pulling them into a dark and twisted version of their reality. In this sinister mirror world, nothing is as it seems. Their reflections are no longer harmless—they’ve come to life, embodying their worst fears, regrets, and buried secrets. The friends soon realize the reflections are not just malevolent; they are determined to replace them in the real world. As they navigate this dangerous realm, the lines between reality and illusion blur, testing their sanity and relationships. Trapped in an escalating fight for survival, the group must unravel the mirror’s dark origins and uncover the truth about its curse. But every step forward reveals another horrifying revelation, and escaping may require them to sacrifice more than they’re willing to give. Will they outsmart their reflections, or will they lose themselves in the shadows forever? The Reflection Game is a gripping supernatural thriller that delves into the fragility of trust, the weight of secrets, and the consequences of crossing boundaries best left untouched. Filled with spine-chilling twists, heart-pounding suspense, and a touch of psychological horror, this tale will keep readers on the edge of their seats, questioning what’s real and what lurks beyond the mirror. In this distorted reality, every crack in the mirror reveals dark truths about their deepest fears and buried secrets. As the friends struggle to survive, they must confront it.

The story is a dark psychological horror centered around a group of students trapped in a college during a curfew, where a storytelling game slowly turns terrifyingly real. I believe it aligns well with Good novel horror audience.