Rio Grande is included as an insert game in Issue #143 of the Strategy & Tactics magazine.Rio Grande is a mid complexity operational level wargame covering the Confederate offensive into New Mexico in 1862, during the Civil War. The map covers New Mexico and is overlaid with a hexagonal grid to regulate movement and combat. Counters are companies of infantry and cavalry and artillery batteries.Game includes a 17' by 22' mapsheet, 100 diecut counters and rules. - BoardGameGeek