A fill material is for use within a closed interior chamber of a gelatin paintball capsule. The fill material includes a starch and a polyethylene glycol and/or an oil. The starch is present in an amount that is substantially more than about 48% by weight of the fill material. Suitable starches may include corn starch, rice starch, potato starch, modified starch, and combinations thereof, among others. The fill material may also include a dye, a surfactant, and/or an additional material, such as, for example, a density agent, an emulsifier, and/or a thickener.