Gambling revenue in Nevada amounted to $1.29bn in May, a slight decline on the previous year but a month-on-month increase of 11.2%.
Slots remained by far the primary source of revenue for operators, drawing $877.9m worth of revenue, up 0.9% year-on-year. Multi-denomination slots accounted for $501.3m of this total, with penny slots generating $285.9m.
Revenue from table, counter and card games slipped 4.4% to $411.2m, with declines across almost all gambling types.
Baccarat drew the most revenue, though the $133.8m posted was 0.5% down on last year. Blackjack revenue was 2.7% lower at $104.8m, craps revenue fell 19.4% to $36.4m and roulette revenue was also down 10.9% to $30.3m.
Turning to sports betting, which is reported as part of table, counter and card games, and revenue climbed 11.4% to £30.1m.
Baseball betting accounted for $16.5% of all sports betting revenue, ahead of basketball on $11.9m. Hockey drew $328,000 and other sports $4.9m.
However, football betting led to a $3.6m loss for operators, while parlay cards resulted in a $10,000 loss.
Revenue from Clark County, which includes Las Vegas, reached $1.12bn, with revenue from the Las Vegas Strip at $716.0m.