Game layout is standard. It has 4 rows, 5 reels, and 30 paylines for winning combinations. To win, at least three matching symbols must land left to right. One extra reel is unlocked as you play. The betting system isn't particularly extreme, so high-stakes gamblers might not like it. It starts at 0.10 and goes up to 20 each spin.
Interesting card suites are low-paying symbols (spades, hearts, diamonds, and clubs). The other side of the paytable includes a compass, gas mask, helicopter, and orbs, which pay 30x the stakes for six matching symbols.
Thunder Wilds and Zillard Wild Upgrades are the main bonus features in Zillard King, a slot game featuring wilds. Gold coins unleash stacked wilds.
As usual, the Wild completes winning combos by replacing normal symbols. Gold coins advance Zillard Wild in three steps:
Wild will be withdrawn after a losing spin, but Wild upgrades will remain in place as long as the wager remains the same. The progress bar becomes the 6th reel after you earn all 3 upgrades! Only premium symbols will appear on this reel.
The Thunder Wilds Bonus may randomly activate when you land a Wild that doesn't win! It will provide you 3-6 Thunder Wild symbols on the playing pitch with 5 reels and up to 9 Wild symbols on the 6th reel (if unlocked). Using this feature ensures a successful outcome.