Games Like Raising Poseidon: Idle RPG

Cat Hero: Idle RPG is a portrait-oriented idle RPG where players collect and upgrade feline heroes. The game features a cozy mood and a light story, allowing for short, interruptible sessions. Its core loop involves passive progression and strategic hero management, with a strong emphasis on asynchronous multiplayer elements.

Hunter Raid: Idle RPG Games is a casual idle RPG where players collect and upgrade heroes to battle monsters. The game features passive progression, allowing for offline play and one-handed operation. Its appeal lies in its low-stress gameplay and the satisfaction of seeing your heroes grow stronger over time.

Shadow Knights is an idle RPG where players collect and upgrade heroes to battle through various stages. The game features a deep progression system with numerous heroes and equipment to acquire. It offers a casual experience suitable for short play sessions, with a focus on passive resource generation and strategic team building.

Blade Idle is a portrait-oriented idle RPG where players automate combat and progression. The game features extensive character customization and gear collection, allowing for deep optimization of your hero. It offers a vast amount of content and systems to engage with, designed for long-term play.

GODCHER: Idle Tower Defense is a solo, portrait-mode idle game where players deploy heroes and towers to defend against waves of enemies. The game features a simple, interruptible gameplay loop suitable for multitasking. Progression is heavily tied to in-app purchases, making it a choice for players seeking low-engagement experiences with a significant pay-to-win element.