KA Gaming, a Taiwanese game developer, is celebrated for its innovative slot games. Established by enthusiasts with decades of experience, the company frequently updates its portfolio with creative themes, ranging from mythical and historical worlds to luxurious lifestyles. "Millionaires" is a standout example, featuring a five-reel, twenty-payline grid adorned with symbols like sports cars, yachts, and private jets, immersing players in a world of affluence.

Visually, "Millionaires" presents its reels against a nighttime cityscape, with a cartoonish design that appears somewhat outdated. Despite featuring wealth-related characters and symbols, such as an older and younger millionaire, the game's visuals fall short, coming across as a bit drab. The 70s-inspired soundtrack and basic animations do not add much excitement, resulting in a moderately engaging but unremarkable experience.

The game employs straightforward mechanics: spin the reels to match symbols for payouts, with betting ranges suited for both cautious and high-stakes players. Special features include a scatter bonus that triggers mini-games within the main grid, each offering various levels of rewards based on symbol combinations. Although these features sound appealing, they often feel repetitive and lack substantial excitement.

Overall, "Millionaires" offers a decent RTP and the potential for generous payouts but struggles to hold players' attention for long. The opulence theme is intriguing, but the gameplay and visuals do not quite capture the allure it aims for. As a result, while it may provide some short-term enjoyment, it lacks lasting appeal.